22937121 has 8 divisors (see below), whose sum is σ = 33980960. Its totient is φ = 15291396.

The previous prime is 22937119. The next prime is 22937137. The reversal of 22937121 is 12173922.

It is not a de Polignac number, because 22937121 - 2¹ = 22937119 is a prime.

It is a super-2 number, since 2×22937121² = 1052223039537282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 849523 = 22937121 / (2 + 2 + 9 + 3 + 7 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22937171) 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, 424735 + ... + 424788.

It is an arithmetic number, because the mean of its divisors is an integer number (4247620).

Almost surely, 2^22937121 is an apocalyptic number.

It is an amenable number.

22937121 is a deficient number, since it is larger than the sum of its proper divisors (11043839).

22937121 is an equidigital number, since it uses as much as digits as its factorization.

22937121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849532 (or 849526 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 22937121 is about 4789.2714477256. The cubic root of 22937121 is about 284.1273027443.

The spelling of 22937121 in words is "twenty-two million, nine hundred thirty-seven thousand, one hundred twenty-one".