22552430 has 32 divisors (see below), whose sum is σ = 44215200. Its totient is φ = 8249472.

The previous prime is 22552429. The next prime is 22552441. The reversal of 22552430 is 3425522.

It is a super-2 number, since 2×22552430² = 1017224197809800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22552396 and 22552405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3464 + ... + 7556.

It is an arithmetic number, because the mean of its divisors is an integer number (1381725).

Almost surely, 2^22552430 is an apocalyptic number.

22552430 is a deficient number, since it is larger than the sum of its proper divisors (21662770).

22552430 is a wasteful number, since it uses less digits than its factorization.

22552430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 22552430 is about 4748.9398816999. The cubic root of 22552430 is about 282.5299208656.

Adding to 22552430 its reverse (3425522), we get a palindrome (25977952).

The spelling of 22552430 in words is "twenty-two million, five hundred fifty-two thousand, four hundred thirty".