22303351252 has 48 divisors (see below), whose sum is σ = 50126614272. Its totient is φ = 8439678720.

The previous prime is 22303351247. The next prime is 22303351261. The reversal of 22303351252 is 25215330322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 22303351252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323649 + ... + 1340392.

It is an arithmetic number, because the mean of its divisors is an integer number (1044304464).

Almost surely, 2^22303351252 is an apocalyptic number.

It is an amenable number.

22303351252 is an abundant number, since it is smaller than the sum of its proper divisors (27823263020).

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

22303351252 is a wasteful number, since it uses less digits than its factorization.

22303351252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664088 (or 2664086 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 22303351252 its reverse (25215330322), we get a palindrome (47518681574).

The spelling of 22303351252 in words is "twenty-two billion, three hundred three million, three hundred fifty-one thousand, two hundred fifty-two".