22561024 has 18 divisors (see below), whose sum is σ = 45034430. Its totient is φ = 11280384.

The previous prime is 22561003. The next prime is 22561027. The reversal of 22561024 is 42016522.

It can be written as a sum of positive squares in only one way, i.e., 16646400 + 5914624 = 4080^2 + 2432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22560986 and 22561004.

It is not an unprimeable number, because it can be changed into a prime (22561027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43809 + ... + 44320.

Almost surely, 2^22561024 is an apocalyptic number.

It is an amenable number.

22561024 is a deficient number, since it is larger than the sum of its proper divisors (22473406).

22561024 is an frugal number, since it uses more digits than its factorization.

22561024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88145 (or 88131 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 22561024 is about 4749.8446290379. The cubic root of 22561024 is about 282.5658039728.

Adding to 22561024 its reverse (42016522), we get a palindrome (64577546).

The spelling of 22561024 in words is "twenty-two million, five hundred sixty-one thousand, twenty-four".