22630156 has 12 divisors (see below), whose sum is σ = 39682440. Its totient is φ = 11292320.

The previous prime is 22630147. The next prime is 22630187. The reversal of 22630156 is 65103622.

It is a self number, because there is not a number n which added to its sum of digits gives 22630156.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3346 + ... + 7513.

It is an arithmetic number, because the mean of its divisors is an integer number (3306870).

Almost surely, 2^22630156 is an apocalyptic number.

It is an amenable number.

22630156 is a deficient number, since it is larger than the sum of its proper divisors (17052284).

22630156 is a wasteful number, since it uses less digits than its factorization.

22630156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11384 (or 11382 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22630156 is about 4757.1163534225. The cubic root of 22630156 is about 282.8541245226.

Adding to 22630156 its reverse (65103622), we get a palindrome (87733778).

The spelling of 22630156 in words is "twenty-two million, six hundred thirty thousand, one hundred fifty-six".