22392725742 has 12 divisors (see below), whose sum is σ = 48517572480. Its totient is φ = 7464241908.

The previous prime is 22392725723. The next prime is 22392725749. The reversal of 22392725742 is 24752729322.

22392725742 is a `hidden beast` number, since 2 + 2 + 3 + 9 + 2 + 72 + 574 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22392725749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 622020142 + ... + 622020177.

It is an arithmetic number, because the mean of its divisors is an integer number (4043131040).

Almost surely, 2^22392725742 is an apocalyptic number.

22392725742 is an abundant number, since it is smaller than the sum of its proper divisors (26124846738).

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

22392725742 is a wasteful number, since it uses less digits than its factorization.

22392725742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244040327 (or 1244040324 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The spelling of 22392725742 in words is "twenty-two billion, three hundred ninety-two million, seven hundred twenty-five thousand, seven hundred forty-two".