22022231312 has 40 divisors (see below), whose sum is σ = 43437969792. Its totient is φ = 10813644800.

The previous prime is 22022231303. The next prime is 22022231327. The reversal of 22022231312 is 21313222022.

It is a happy 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, 254237 + ... + 329667.

Almost surely, 2^22022231312 is an apocalyptic number.

It is an amenable number.

22022231312 is a deficient number, since it is larger than the sum of its proper divisors (21415738480).

22022231312 is a wasteful number, since it uses less digits than its factorization.

22022231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75767 (or 75761 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22022231312 its reverse (21313222022), we get a palindrome (43335453334).

The spelling of 22022231312 in words is "twenty-two billion, twenty-two million, two hundred thirty-one thousand, three hundred twelve".