22552929 has 12 divisors (see below), whose sum is σ = 37230336. Its totient is φ = 12887352.

The previous prime is 22552921. The next prime is 22552939. The reversal of 22552929 is 92925522.

It is not a de Polignac number, because 22552929 - 2³ = 22552921 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22552893 and 22552902.

It is not an unprimeable number, because it can be changed into a prime (22552921) 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, 178929 + ... + 179054.

It is an arithmetic number, because the mean of its divisors is an integer number (3102528).

Almost surely, 2^22552929 is an apocalyptic number.

It is an amenable number.

22552929 is a deficient number, since it is larger than the sum of its proper divisors (14677407).

22552929 is a wasteful number, since it uses less digits than its factorization.

22552929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357996 (or 357993 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 22552929 is about 4748.9924194507. The cubic root of 22552929 is about 282.5320046232.

It can be divided in two parts, 2255 and 2929, that added together give a square (5184 = 72²).

The spelling of 22552929 in words is "twenty-two million, five hundred fifty-two thousand, nine hundred twenty-nine".