22522140252 has 18 divisors (see below), whose sum is σ = 56930965728. Its totient is φ = 7507380072.

The previous prime is 22522140239. The next prime is 22522140281. The reversal of 22522140252 is 25204122522.

It is a happy number.

22522140252 is a `hidden beast` number, since 2 + 252 + 2 + 1 + 402 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 312807468 + ... + 312807539.

Almost surely, 2^22522140252 is an apocalyptic number.

It is an amenable number.

22522140252 is an abundant number, since it is smaller than the sum of its proper divisors (34408825476).

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

22522140252 is a wasteful number, since it uses less digits than its factorization.

22522140252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625615017 (or 625615012 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 22522140252 its reverse (25204122522), we get a palindrome (47726262774).

The spelling of 22522140252 in words is "twenty-two billion, five hundred twenty-two million, one hundred forty thousand, two hundred fifty-two".