22134617538 has 32 divisors (see below), whose sum is σ = 48301892352. Its totient is φ = 6706323600.

The previous prime is 22134617509. The next prime is 22134617539. The reversal of 22134617538 is 83571643122.

It is a self number, because there is not a number n which added to its sum of digits gives 22134617538.

It is not an unprimeable number, because it can be changed into a prime (22134617539) 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, 416545 + ... + 466667.

It is an arithmetic number, because the mean of its divisors is an integer number (1509434136).

Almost surely, 2^22134617538 is an apocalyptic number.

22134617538 is an abundant number, since it is smaller than the sum of its proper divisors (26167274814).

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

22134617538 is a wasteful number, since it uses less digits than its factorization.

22134617538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56830.

The product of its digits is 241920, while the sum is 42.

The spelling of 22134617538 in words is "twenty-two billion, one hundred thirty-four million, six hundred seventeen thousand, five hundred thirty-eight".