22303322012 has 24 divisors (see below), whose sum is σ = 39107597760. Its totient is φ = 11129748480.

The previous prime is 22303321987. The next prime is 22303322033. The reversal of 22303322012 is 21022330322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5399564 + ... + 5403692.

It is an arithmetic number, because the mean of its divisors is an integer number (1629483240).

Almost surely, 2^22303322012 is an apocalyptic number.

It is an amenable number.

22303322012 is a deficient number, since it is larger than the sum of its proper divisors (16804275748).

22303322012 is a wasteful number, since it uses less digits than its factorization.

22303322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461 (or 6459 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22303322012 its reverse (21022330322), we get a palindrome (43325652334).

The spelling of 22303322012 in words is "twenty-two billion, three hundred three million, three hundred twenty-two thousand, twelve".