22819934558172 has 48 divisors (see below), whose sum is σ = 53264226355200. Its totient is φ = 7604114895360.

The previous prime is 22819934558171. The next prime is 22819934558189. The reversal of 22819934558172 is 27185543991822.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22819934558171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834017772 + ... + 834045132.

It is an arithmetic number, because the mean of its divisors is an integer number (1109671382400).

Almost surely, 2^{22819934558172} is an apocalyptic number.

It is an amenable number.

22819934558172 is an abundant number, since it is smaller than the sum of its proper divisors (30444291797028).

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

22819934558172 is a wasteful number, since it uses less digits than its factorization.

22819934558172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47946 (or 47944 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 66.

The spelling of 22819934558172 in words is "twenty-two trillion, eight hundred nineteen billion, nine hundred thirty-four million, five hundred fifty-eight thousand, one hundred seventy-two".