22631217657 has 16 divisors (see below), whose sum is σ = 30244579008. Its totient is φ = 15052703040.

The previous prime is 22631217629. The next prime is 22631217667. The reversal of 22631217657 is 75671213622.

It is not a de Polignac number, because 22631217657 - 2¹⁴ = 22631201273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22631217607) 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, 3547923 + ... + 3554295.

It is an arithmetic number, because the mean of its divisors is an integer number (1890286188).

Almost surely, 2^22631217657 is an apocalyptic number.

It is an amenable number.

22631217657 is a deficient number, since it is larger than the sum of its proper divisors (7613361351).

22631217657 is a wasteful number, since it uses less digits than its factorization.

22631217657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8920.

The product of its digits is 211680, while the sum is 42.

The spelling of 22631217657 in words is "twenty-two billion, six hundred thirty-one million, two hundred seventeen thousand, six hundred fifty-seven".