22142930892 has 12 divisors (see below), whose sum is σ = 51666838776. Its totient is φ = 7380976960.

The previous prime is 22142930863. The next prime is 22142930893. The reversal of 22142930892 is 29803924122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22142930893) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 922622109 + ... + 922622132.

It is an arithmetic number, because the mean of its divisors is an integer number (4305569898).

Almost surely, 2^22142930892 is an apocalyptic number.

It is an amenable number.

22142930892 is an abundant number, since it is smaller than the sum of its proper divisors (29523907884).

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

22142930892 is a wasteful number, since it uses less digits than its factorization.

22142930892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845244248 (or 1845244246 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 22142930892 in words is "twenty-two billion, one hundred forty-two million, nine hundred thirty thousand, eight hundred ninety-two".