22125204 has 48 divisors (see below), whose sum is σ = 57624000. Its totient is φ = 7341408.

The previous prime is 22125197. The next prime is 22125217. The reversal of 22125204 is 40252122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 37399 + ... + 37985.

It is an arithmetic number, because the mean of its divisors is an integer number (1200500).

Almost surely, 2^22125204 is an apocalyptic number.

It is an amenable number.

22125204 is an abundant number, since it is smaller than the sum of its proper divisors (35498796).

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

22125204 is a wasteful number, since it uses less digits than its factorization.

22125204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 22125204 is about 4703.7436154621. The cubic root of 22125204 is about 280.7344832171.

Adding to 22125204 its reverse (40252122), we get a palindrome (62377326).

It can be divided in two parts, 221 and 25204, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 22125204 in words is "twenty-two million, one hundred twenty-five thousand, two hundred four".