22331922 has 16 divisors (see below), whose sum is σ = 45125472. Its totient is φ = 7367040.

The previous prime is 22331899. The next prime is 22331923. The reversal of 22331922 is 22913322.

It is a junction number, because it is equal to n+sod(n) for n = 22331892 and 22331901.

It is not an unprimeable number, because it can be changed into a prime (22331923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18604 + ... + 19767.

It is an arithmetic number, because the mean of its divisors is an integer number (2820342).

Almost surely, 2^22331922 is an apocalyptic number.

22331922 is an abundant number, since it is smaller than the sum of its proper divisors (22793550).

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

22331922 is a wasteful number, since it uses less digits than its factorization.

22331922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38473.

The product of its digits is 1296, while the sum is 24.

The square root of 22331922 is about 4725.6663022266. Note that the first 3 decimals coincide. The cubic root of 22331922 is about 281.6060844851.

The spelling of 22331922 in words is "twenty-two million, three hundred thirty-one thousand, nine hundred twenty-two".