22501910697 has 16 divisors (see below), whose sum is σ = 35394711552. Its totient is φ = 12443452560.

The previous prime is 22501910681. The next prime is 22501910701. The reversal of 22501910697 is 79601910522.

It is not a de Polignac number, because 22501910697 - 2⁴ = 22501910681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22501910677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17281923 + ... + 17283224.

It is an arithmetic number, because the mean of its divisors is an integer number (2212169472).

Almost surely, 2^22501910697 is an apocalyptic number.

It is an amenable number.

22501910697 is a deficient number, since it is larger than the sum of its proper divisors (12892800855).

22501910697 is a wasteful number, since it uses less digits than its factorization.

22501910697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34565188.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 22501910697 in words is "twenty-two billion, five hundred one million, nine hundred ten thousand, six hundred ninety-seven".