22696349478 has 16 divisors (see below), whose sum is σ = 49519308096. Its totient is φ = 6877681640.

The previous prime is 22696349447. The next prime is 22696349497. The reversal of 22696349478 is 87494369622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171941976 + ... + 171942107.

It is an arithmetic number, because the mean of its divisors is an integer number (3094956756).

Almost surely, 2^22696349478 is an apocalyptic number.

22696349478 is an abundant number, since it is smaller than the sum of its proper divisors (26822958618).

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

22696349478 is a wasteful number, since it uses less digits than its factorization.

22696349478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343884099.

The product of its digits is 31352832, while the sum is 60.

The spelling of 22696349478 in words is "twenty-two billion, six hundred ninety-six million, three hundred forty-nine thousand, four hundred seventy-eight".