22612530 has 16 divisors (see below), whose sum is σ = 54270144. Its totient is φ = 6030000.

The previous prime is 22612523. The next prime is 22612531. The reversal of 22612530 is 3521622.

It is a super-2 number, since 2×22612530² = 1022653026001800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22612497 and 22612506.

It is not an unprimeable number, because it can be changed into a prime (22612531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376846 + ... + 376905.

It is an arithmetic number, because the mean of its divisors is an integer number (3391884).

Almost surely, 2^22612530 is an apocalyptic number.

22612530 is an abundant number, since it is smaller than the sum of its proper divisors (31657614).

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

22612530 is a wasteful number, since it uses less digits than its factorization.

22612530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753761.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22612530 is about 4755.2633996447. The cubic root of 22612530 is about 282.7806697081.

The spelling of 22612530 in words is "twenty-two million, six hundred twelve thousand, five hundred thirty".