22142230512 has 20 divisors (see below), whose sum is σ = 57200762280. Its totient is φ = 7380743488.

The previous prime is 22142230483. The next prime is 22142230541. The reversal of 22142230512 is 21503224122.

It is an interprime number because it is at equal distance from previous prime (22142230483) and next prime (22142230541).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230648187 + ... + 230648282.

It is an arithmetic number, because the mean of its divisors is an integer number (2860038114).

Almost surely, 2^22142230512 is an apocalyptic number.

It is an amenable number.

22142230512 is an abundant number, since it is smaller than the sum of its proper divisors (35058531768).

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

22142230512 is a wasteful number, since it uses less digits than its factorization.

22142230512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461296480 (or 461296474 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22142230512 its reverse (21503224122), we get a palindrome (43645454634).

The spelling of 22142230512 in words is "twenty-two billion, one hundred forty-two million, two hundred thirty thousand, five hundred twelve".