22005079425 has 72 divisors (see below), whose sum is σ = 47414852160. Its totient is φ = 9530006400.

The previous prime is 22005079403. The next prime is 22005079517. The reversal of 22005079425 is 52497050022.

It is a happy number.

22005079425 is a `hidden beast` number, since 220 + 0 + 5 + 0 + 7 + 9 + 425 = 666.

It is not a de Polignac number, because 22005079425 - 2¹⁷ = 22004948353 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22005079425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 337746 + ... + 397595.

Almost surely, 2^22005079425 is an apocalyptic number.

22005079425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22005079425 is an abundant number, since it is smaller than the sum of its proper divisors (25409772735).

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

22005079425 is a wasteful number, since it uses less digits than its factorization.

22005079425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735383 (or 735375 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 22005079425 in words is "twenty-two billion, five million, seventy-nine thousand, four hundred twenty-five".