22472044 has 12 divisors (see below), whose sum is σ = 44944144. Its totient is φ = 9630864.

The previous prime is 22472039. The next prime is 22472057. The reversal of 22472044 is 44027422.

It is a happy number.

22472044 is an admirable 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, 401259 + ... + 401314.

Almost surely, 2^22472044 is an apocalyptic number.

It is an amenable number.

22472044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22472044 is a wasteful number, since it uses less digits than its factorization.

22472044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802584 (or 802582 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 22472044 is about 4740.4687531931. The cubic root of 22472044 is about 282.1938375248.

Adding to 22472044 its reverse (44027422), we get a palindrome (66499466).

The spelling of 22472044 in words is "twenty-two million, four hundred seventy-two thousand, forty-four".