22444472 has 16 divisors (see below), whose sum is σ = 44298600. Its totient is φ = 10631520.

The previous prime is 22444441. The next prime is 22444483. The reversal of 22444472 is 27444422.

It is a congruent number.

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, 73679 + ... + 73982.

Almost surely, 2^22444472 is an apocalyptic number.

It is an amenable number.

22444472 is a deficient number, since it is larger than the sum of its proper divisors (21854128).

22444472 is a wasteful number, since it uses less digits than its factorization.

22444472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147686 (or 147682 counting only the distinct ones).

The product of its digits is 14336, while the sum is 29.

The square root of 22444472 is about 4737.5597093863. The cubic root of 22444472 is about 282.0783780261.

Adding to 22444472 its reverse (27444422), we get a palindrome (49888894).

The spelling of 22444472 in words is "twenty-two million, four hundred forty-four thousand, four hundred seventy-two".