22430879292 has 12 divisors (see below), whose sum is σ = 52338718376. Its totient is φ = 7476959760.

The previous prime is 22430879249. The next prime is 22430879293. The reversal of 22430879292 is 29297803422.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22430879293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934619959 + ... + 934619982.

Almost surely, 2^22430879292 is an apocalyptic number.

It is an amenable number.

22430879292 is an abundant number, since it is smaller than the sum of its proper divisors (29907839084).

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

22430879292 is a wasteful number, since it uses less digits than its factorization.

22430879292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869239948 (or 1869239946 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 22430879292 in words is "twenty-two billion, four hundred thirty million, eight hundred seventy-nine thousand, two hundred ninety-two".