22425994792 has 8 divisors (see below), whose sum is σ = 42048740250. Its totient is φ = 11212997392.

The previous prime is 22425994763. The next prime is 22425994837. The reversal of 22425994792 is 29749952422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22306617316 + 119377476 = 149354^2 + 10926^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22425994792² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401624667 + ... + 1401624682.

Almost surely, 2^22425994792 is an apocalyptic number.

It is an amenable number.

22425994792 is a deficient number, since it is larger than the sum of its proper divisors (19622745458).

22425994792 is a wasteful number, since it uses less digits than its factorization.

22425994792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803249355 (or 2803249351 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 55.

The spelling of 22425994792 in words is "twenty-two billion, four hundred twenty-five million, nine hundred ninety-four thousand, seven hundred ninety-two".