22609552 has 80 divisors (see below), whose sum is σ = 53425152. Its totient is φ = 9060480.

The previous prime is 22609549. The next prime is 22609577. The reversal of 22609552 is 25590622.

It is a super-2 number, since 2×22609552² = 1022383683281408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172527 + ... + 172657.

Almost surely, 2^22609552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22609552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26712576).

22609552 is an abundant number, since it is smaller than the sum of its proper divisors (30815600).

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

22609552 is a wasteful number, since it uses less digits than its factorization.

22609552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 22609552 is about 4754.9502626211. The cubic root of 22609552 is about 282.7682553843.

The spelling of 22609552 in words is "twenty-two million, six hundred nine thousand, five hundred fifty-two".