22626242 has 16 divisors (see below), whose sum is σ = 34712064. Its totient is φ = 11058000.

The previous prime is 22626239. The next prime is 22626251. The reversal of 22626242 is 24262622.

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, 22817 + ... + 23787.

It is an arithmetic number, because the mean of its divisors is an integer number (2169504).

Almost surely, 2^22626242 is an apocalyptic number.

22626242 is the 3884-th pentagonal number.

22626242 is a deficient number, since it is larger than the sum of its proper divisors (12085822).

22626242 is a wasteful number, since it uses less digits than its factorization.

22626242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225.

The product of its digits is 4608, while the sum is 26.

The square root of 22626242 is about 4756.7049519599. The cubic root of 22626242 is about 282.8378165650.

Adding to 22626242 its reverse (24262622), we get a palindrome (46888864).

The spelling of 22626242 in words is "twenty-two million, six hundred twenty-six thousand, two hundred forty-two".