22372472 has 8 divisors (see below), whose sum is σ = 41948400. Its totient is φ = 11186232.

The previous prime is 22372463. The next prime is 22372477. The reversal of 22372472 is 27427322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22372477) by changing a digit.

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, 1398272 + ... + 1398287.

It is an arithmetic number, because the mean of its divisors is an integer number (5243550).

Almost surely, 2^22372472 is an apocalyptic number.

It is an amenable number.

22372472 is a deficient number, since it is larger than the sum of its proper divisors (19575928).

22372472 is a wasteful number, since it uses less digits than its factorization.

22372472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796565 (or 2796561 counting only the distinct ones).

The product of its digits is 9408, while the sum is 29.

The square root of 22372472 is about 4729.9547566547. The cubic root of 22372472 is about 281.7764269232.

Adding to 22372472 its reverse (27427322), we get a palindrome (49799794).

The spelling of 22372472 in words is "twenty-two million, three hundred seventy-two thousand, four hundred seventy-two".