22371472 has 10 divisors (see below), whose sum is σ = 43344758. Its totient is φ = 11185728.

The previous prime is 22371469. The next prime is 22371511. The reversal of 22371472 is 27417322.

It can be written as a sum of positive squares in only one way, i.e., 19044496 + 3326976 = 4364^2 + 1824^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22371472.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699093 + ... + 699124.

Almost surely, 2^22371472 is an apocalyptic number.

It is an amenable number.

22371472 is a deficient number, since it is larger than the sum of its proper divisors (20973286).

22371472 is a wasteful number, since it uses less digits than its factorization.

22371472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398225 (or 1398219 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 22371472 is about 4729.8490462170. The cubic root of 22371472 is about 281.7722285997.

Adding to 22371472 its reverse (27417322), we get a palindrome (49788794).

The spelling of 22371472 in words is "twenty-two million, three hundred seventy-one thousand, four hundred seventy-two".