22636230 has 32 divisors (see below), whose sum is σ = 55797984. Its totient is φ = 5872896.

The previous prime is 22636219. The next prime is 22636241. The reversal of 22636230 is 3263622.

It is an interprime number because it is at equal distance from previous prime (22636219) and next prime (22636241).

It is a super-2 number, since 2×22636230² = 1024797817225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22636230.

It is a congruent number.

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, 9087 + ... + 11306.

It is an arithmetic number, because the mean of its divisors is an integer number (1743687).

Almost surely, 2^22636230 is an apocalyptic number.

22636230 is an abundant number, since it is smaller than the sum of its proper divisors (33161754).

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

22636230 is a wasteful number, since it uses less digits than its factorization.

22636230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20440.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 22636230 is about 4757.7547225556. The cubic root of 22636230 is about 282.8794285501.

Adding to 22636230 its reverse (3263622), we get a palindrome (25899852).

The spelling of 22636230 in words is "twenty-two million, six hundred thirty-six thousand, two hundred thirty".