257196322226 has 8 divisors (see below), whose sum is σ = 391552610160. Its totient is φ = 126678785508.

The previous prime is 257196322219. The next prime is 257196322231. The reversal of 257196322226 is 622223691752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×257196322226² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959687636 + ... + 959687903.

It is an arithmetic number, because the mean of its divisors is an integer number (48944076270).

Almost surely, 2^257196322226 is an apocalyptic number.

257196322226 is a deficient number, since it is larger than the sum of its proper divisors (134356287934).

257196322226 is a wasteful number, since it uses less digits than its factorization.

257196322226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919375608.

The product of its digits is 1088640, while the sum is 47.

The spelling of 257196322226 in words is "two hundred fifty-seven billion, one hundred ninety-six million, three hundred twenty-two thousand, two hundred twenty-six".