22124252 has 24 divisors (see below), whose sum is σ = 40817952. Its totient is φ = 10472000.

The previous prime is 22124251. The next prime is 22124269. The reversal of 22124252 is 25242122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22124251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8102 + ... + 10482.

It is an arithmetic number, because the mean of its divisors is an integer number (1700748).

Almost surely, 2^22124252 is an apocalyptic number.

It is an amenable number.

22124252 is a deficient number, since it is larger than the sum of its proper divisors (18693700).

22124252 is a wasteful number, since it uses less digits than its factorization.

22124252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509 (or 2507 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 22124252 is about 4703.6424183817. The cubic root of 22124252 is about 280.7304566921.

Adding to 22124252 its reverse (25242122), we get a palindrome (47366374).

The spelling of 22124252 in words is "twenty-two million, one hundred twenty-four thousand, two hundred fifty-two".