4,418,722

2 × 7² × 11 × 4099

4,418,722 has digital root 1. The neighboring primes are 4418719 and 4418731; its proper-divisor sum differs from the starting integer by -424,244.

Prime Factor Structure

Factorization String 2 × 7^2 × 11 × 4099

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 8,413,200

Proper Divisor Sum 3,994,478

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #4418719 ← → #4418731

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

4,418,722 2,209,361 6,628,084 3,314,042 1,657,021 4,971,064 2,485,532 1,242,766 621,383 1,864,150 932,075 2,796,226 1,398,113 4,194,340 2,097,170 1,048,585 3,145,756 1,572,878 786,439 2,359,318 1,179,659 3,538,978 1,769,489 5,308,468 2,654,234 1,327,117 3,981,352 1,990,676 995,338 497,669 1,493,008 746,504 373,252 186,626 93,313 279,940 139,970 69,985 209,956 104,978 52,489 157,468 78,734 39,367 118,102 59,051 177,154 88,577 265,732 132,866 66,433 199,300 99,650 49,825 149,476 74,738 37,369 112,108 56,054 28,027