22165600331 has 12 divisors (see below), whose sum is σ = 26909895888. Its totient is φ = 17881491072.

The previous prime is 22165600307. The next prime is 22165600333. The reversal of 22165600331 is 13300656122.

It is not a de Polignac number, because 22165600331 - 2⁶ = 22165600267 is a prime.

It is a super-2 number, since 2×22165600331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22165600294 and 22165600303.

It is not an unprimeable number, because it can be changed into a prime (22165600333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5476376 + ... + 5480421.

It is an arithmetic number, because the mean of its divisors is an integer number (2242491324).

Almost surely, 2^22165600331 is an apocalyptic number.

22165600331 is a deficient number, since it is larger than the sum of its proper divisors (4744295557).

22165600331 is a wasteful number, since it uses less digits than its factorization.

22165600331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10956838 (or 10956821 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 22165600331 in words is "twenty-two billion, one hundred sixty-five million, six hundred thousand, three hundred thirty-one".