422831565025 has 9 divisors (see below), whose sum is σ = 524315172243. Its totient is φ = 338262651000.

The previous prime is 422831564977. The next prime is 422831565059. The reversal of 422831565025 is 520565138224.

The square root of 422831565025 is 650255.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 152219363409 + 270612201616 = 390153^2 + 520204^2 .

It is not a de Polignac number, because 422831565025 - 2²³ = 422823176417 is a prime.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 3186250 + ... + 3316300.

Almost surely, 2^422831565025 is an apocalyptic number.

422831565025 is the 650255-th square number.

422831565025 is the 325128-th centered octagonal number.

It is an amenable number.

422831565025 is a deficient number, since it is larger than the sum of its proper divisors (101483607218).

422831565025 is an frugal number, since it uses more digits than its factorization.

422831565025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260112 (or 130056 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 422831565025 in words is "four hundred twenty-two billion, eight hundred thirty-one million, five hundred sixty-five thousand, twenty-five".