22819981597434 has 24 divisors (see below), whose sum is σ = 56506621098720. Its totient is φ = 6519994742088.

The previous prime is 22819981597433. The next prime is 22819981597481. The reversal of 22819981597434 is 43479518991822.

It is a happy number.

22819981597434 is a `hidden beast` number, since 2 + 2 + 8 + 1 + 9 + 98 + 15 + 97 + 434 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22819981597433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90555482404 + ... + 90555482655.

It is an arithmetic number, because the mean of its divisors is an integer number (2354442545780).

Almost surely, 2^{22819981597434} is an apocalyptic number.

22819981597434 is an abundant number, since it is smaller than the sum of its proper divisors (33686639501286).

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

22819981597434 is a wasteful number, since it uses less digits than its factorization.

22819981597434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181110965074 (or 181110965071 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 72.

The spelling of 22819981597434 in words is "twenty-two trillion, eight hundred nineteen billion, nine hundred eighty-one million, five hundred ninety-seven thousand, four hundred thirty-four".