22019017431768 has 64 divisors (see below), whose sum is σ = 62919004988160. Its totient is φ = 6290395176576.

The previous prime is 22019017431767. The next prime is 22019017431779. The reversal of 22019017431768 is 86713471091022.

It is a self number, because there is not a number n which added to its sum of digits gives 22019017431768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22019017431767) 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, 6431055 + ... + 9241022.

It is an arithmetic number, because the mean of its divisors is an integer number (983109452940).

Almost surely, 2^{22019017431768} is an apocalyptic number.

22019017431768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22019017431768 is an abundant number, since it is smaller than the sum of its proper divisors (40899987556392).

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

22019017431768 is a wasteful number, since it uses less digits than its factorization.

22019017431768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15680456 (or 15680452 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 22019017431768 in words is "twenty-two trillion, nineteen billion, seventeen million, four hundred thirty-one thousand, seven hundred sixty-eight".