22696371220 has 24 divisors (see below), whose sum is σ = 50466049704. Its totient is φ = 8544516096.

The previous prime is 22696371197. The next prime is 22696371287. The reversal of 22696371220 is 2217369622.

It can be written as a sum of positive squares in 4 ways, for example, as 8927226256 + 13769144964 = 94484^2 + 117342^2 .

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, 33376677 + ... + 33377356.

It is an arithmetic number, because the mean of its divisors is an integer number (2102752071).

Almost surely, 2^22696371220 is an apocalyptic number.

22696371220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22696371220 is an abundant number, since it is smaller than the sum of its proper divisors (27769678484).

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

22696371220 is a wasteful number, since it uses less digits than its factorization.

22696371220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66754059 (or 66754057 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 22696371220 in words is "twenty-two billion, six hundred ninety-six million, three hundred seventy-one thousand, two hundred twenty".