22726371892 has 24 divisors (see below), whose sum is σ = 46380353600. Its totient is φ = 9739873080.

The previous prime is 22726371841. The next prime is 22726371907. The reversal of 22726371892 is 29817362722.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8280834 + ... + 8283577.

Almost surely, 2^22726371892 is an apocalyptic number.

It is an amenable number.

22726371892 is an abundant number, since it is smaller than the sum of its proper divisors (23653981708).

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

22726371892 is a wasteful number, since it uses less digits than its factorization.

22726371892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16564436 (or 16564420 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The spelling of 22726371892 in words is "twenty-two billion, seven hundred twenty-six million, three hundred seventy-one thousand, eight hundred ninety-two".