22303122312 has 64 divisors (see below), whose sum is σ = 56369113920. Its totient is φ = 7352967168.

The previous prime is 22303122269. The next prime is 22303122353. The reversal of 22303122312 is 21322130322.

It is a happy 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, 6742563 + ... + 6745869.

It is an arithmetic number, because the mean of its divisors is an integer number (880767405).

Almost surely, 2^22303122312 is an apocalyptic number.

It is an amenable number.

22303122312 is an abundant number, since it is smaller than the sum of its proper divisors (34065991608).

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

22303122312 is a wasteful number, since it uses less digits than its factorization.

22303122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310 (or 6306 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22303122312 its reverse (21322130322), we get a palindrome (43625252634).

The spelling of 22303122312 in words is "twenty-two billion, three hundred three million, one hundred twenty-two thousand, three hundred twelve".