22743252 has 54 divisors (see below), whose sum is σ = 66881178. Its totient is φ = 6497568.

The previous prime is 22743239. The next prime is 22743257. The reversal of 22743252 is 25234722.

22743252 is a `hidden beast` number, since 227 + 432 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20196036 + 2547216 = 4494^2 + 1596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22743257) 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 in 17 ways as a sum of consecutive naturals, for example, 4683 + ... + 8210.

Almost surely, 2^22743252 is an apocalyptic number.

It is an amenable number.

22743252 is an abundant number, since it is smaller than the sum of its proper divisors (44137926).

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

22743252 is a wasteful number, since it uses less digits than its factorization.

22743252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12917 (or 12905 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 22743252 is about 4768.9885720140. The cubic root of 22743252 is about 283.3245370587.

Adding to 22743252 its reverse (25234722), we get a palindrome (47977974).

It can be divided in two parts, 22743 and 252, that multiplied together give a square (5731236 = 2394²).

The spelling of 22743252 in words is "twenty-two million, seven hundred forty-three thousand, two hundred fifty-two".