22131521026 has 32 divisors (see below), whose sum is σ = 35404750080. Its totient is φ = 10339531776.

The previous prime is 22131520997. The next prime is 22131521099. The reversal of 22131521026 is 62012513122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5727171 + ... + 5731033.

It is an arithmetic number, because the mean of its divisors is an integer number (1106398440).

Almost surely, 2^22131521026 is an apocalyptic number.

22131521026 is a deficient number, since it is larger than the sum of its proper divisors (13273229054).

22131521026 is a wasteful number, since it uses less digits than its factorization.

22131521026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058.

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 22131521026 in words is "twenty-two billion, one hundred thirty-one million, five hundred twenty-one thousand, twenty-six".