22323472 has 20 divisors (see below), whose sum is σ = 44647936. Its totient is φ = 10801440.

The previous prime is 22323463. The next prime is 22323487. The reversal of 22323472 is 27432322.

22323472 is an admirable number.

It is a super-3 number, since 3×22323472³ (a number of 23 digits) contains 333 as substring.

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, 22008 + ... + 22999.

Almost surely, 2^22323472 is an apocalyptic number.

It is an amenable number.

22323472 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.

22323472 is a wasteful number, since it uses less digits than its factorization.

22323472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45046 (or 45040 counting only the distinct ones).

The product of its digits is 4032, while the sum is 25.

The square root of 22323472 is about 4724.7721638191. The cubic root of 22323472 is about 281.5705617686.

Adding to 22323472 its reverse (27432322), we get a palindrome (49755794).

The spelling of 22323472 in words is "twenty-two million, three hundred twenty-three thousand, four hundred seventy-two".