22921120 has 24 divisors (see below), whose sum is σ = 54151524. Its totient is φ = 9168384.

The previous prime is 22921111. The next prime is 22921123. The reversal of 22921120 is 2112922.

It can be written as a sum of positive squares in 2 ways, for example, as 18905104 + 4016016 = 4348^2 + 2004^2 .

It is not an unprimeable number, because it can be changed into a prime (22921123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71469 + ... + 71788.

Almost surely, 2^22921120 is an apocalyptic number.

22921120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22921120 is an abundant number, since it is smaller than the sum of its proper divisors (31230404).

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

22921120 is a wasteful number, since it uses less digits than its factorization.

22921120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143272 (or 143264 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 22921120 is about 4787.6006516835. The cubic root of 22921120 is about 284.0612180403.

The spelling of 22921120 in words is "twenty-two million, nine hundred twenty-one thousand, one hundred twenty".