21670425313226 has 48 divisors (see below), whose sum is σ = 35652641495040. Its totient is φ = 9866516271360.

The previous prime is 21670425313217. The next prime is 21670425313261. The reversal of 21670425313226 is 62231352407612.

It is a super-2 number, since 2×21670425313226² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75632231 + ... + 75918213.

It is an arithmetic number, because the mean of its divisors is an integer number (742763364480).

Almost surely, 2^{21670425313226} is an apocalyptic number.

21670425313226 is a deficient number, since it is larger than the sum of its proper divisors (13982216181814).

21670425313226 is a wasteful number, since it uses less digits than its factorization.

21670425313226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290279 (or 290262 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 21670425313226 in words is "twenty-one trillion, six hundred seventy billion, four hundred twenty-five million, three hundred thirteen thousand, two hundred twenty-six".