22642298724 has 12 divisors (see below), whose sum is σ = 52832030384. Its totient is φ = 7547432904.

The previous prime is 22642298717. The next prime is 22642298737. The reversal of 22642298724 is 42789224622.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943429102 + ... + 943429125.

Almost surely, 2^22642298724 is an apocalyptic number.

It is an amenable number.

22642298724 is an abundant number, since it is smaller than the sum of its proper divisors (30189731660).

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

22642298724 is a wasteful number, since it uses less digits than its factorization.

22642298724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886858234 (or 1886858232 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The spelling of 22642298724 in words is "twenty-two billion, six hundred forty-two million, two hundred ninety-eight thousand, seven hundred twenty-four".