22553929 has 4 divisors (see below), whose sum is σ = 22594000. Its totient is φ = 22513860.

The previous prime is 22553897. The next prime is 22553933. The reversal of 22553929 is 92935522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22553929 - 2⁵ = 22553897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22553129) 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, 19179 + ... + 20320.

It is an arithmetic number, because the mean of its divisors is an integer number (5648500).

Almost surely, 2^22553929 is an apocalyptic number.

It is an amenable number.

22553929 is a deficient number, since it is larger than the sum of its proper divisors (40071).

22553929 is an equidigital number, since it uses as much as digits as its factorization.

22553929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40070.

The product of its digits is 48600, while the sum is 37.

The square root of 22553929 is about 4749.0977037749. The cubic root of 22553929 is about 282.5361803976.

The spelling of 22553929 in words is "twenty-two million, five hundred fifty-three thousand, nine hundred twenty-nine".