22623272 has 32 divisors (see below), whose sum is σ = 48875520. Its totient is φ = 9616320.

The previous prime is 22623269. The next prime is 22623299. The reversal of 22623272 is 27232622.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5522 + ... + 8702.

It is an arithmetic number, because the mean of its divisors is an integer number (1527360).

Almost surely, 2^22623272 is an apocalyptic number.

It is an amenable number.

22623272 is an abundant number, since it is smaller than the sum of its proper divisors (26252248).

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

22623272 is a wasteful number, since it uses less digits than its factorization.

22623272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321 (or 3317 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 22623272 is about 4756.3927508144. The cubic root of 22623272 is about 282.8254405951.

Adding to 22623272 its reverse (27232622), we get a palindrome (49855894).

The spelling of 22623272 in words is "twenty-two million, six hundred twenty-three thousand, two hundred seventy-two".