22457196328 has 32 divisors (see below), whose sum is σ = 49674908160. Its totient is φ = 9314043840.

The previous prime is 22457196323. The next prime is 22457196331. The reversal of 22457196328 is 82369175422.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22457196323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6466351 + ... + 6469822.

It is an arithmetic number, because the mean of its divisors is an integer number (1552340880).

Almost surely, 2^22457196328 is an apocalyptic number.

22457196328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22457196328 is an abundant number, since it is smaller than the sum of its proper divisors (27217711832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22457196328 is a wasteful number, since it uses less digits than its factorization.

22457196328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12936217 (or 12936213 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The spelling of 22457196328 in words is "twenty-two billion, four hundred fifty-seven million, one hundred ninety-six thousand, three hundred twenty-eight".