22137542742 has 128 divisors (see below), whose sum is σ = 53944639488. Its totient is φ = 5922201600.

The previous prime is 22137542699. The next prime is 22137542759. The reversal of 22137542742 is 24724573122.

It is a self number, because there is not a number n which added to its sum of digits gives 22137542742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9296392 + ... + 9298772.

It is an arithmetic number, because the mean of its divisors is an integer number (421442496).

Almost surely, 2^22137542742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22137542742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26972319744).

22137542742 is an abundant number, since it is smaller than the sum of its proper divisors (31807096746).

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

22137542742 is a wasteful number, since it uses less digits than its factorization.

22137542742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654.

The product of its digits is 188160, while the sum is 39.

The spelling of 22137542742 in words is "twenty-two billion, one hundred thirty-seven million, five hundred forty-two thousand, seven hundred forty-two".