22749256252 has 24 divisors (see below), whose sum is σ = 39892683600. Its totient is φ = 11351371776.

The previous prime is 22749256249. The next prime is 22749256259. The reversal of 22749256252 is 25265294722.

It is a super-2 number, since 2×22749256252² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22749256259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7100883 + ... + 7104085.

It is an arithmetic number, because the mean of its divisors is an integer number (1662195150).

Almost surely, 2^22749256252 is an apocalyptic number.

It is an amenable number.

22749256252 is a deficient number, since it is larger than the sum of its proper divisors (17143427348).

22749256252 is a wasteful number, since it uses less digits than its factorization.

22749256252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285 (or 6283 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 46.

The spelling of 22749256252 in words is "twenty-two billion, seven hundred forty-nine million, two hundred fifty-six thousand, two hundred fifty-two".