422646265 has 8 divisors (see below), whose sum is σ = 537009480. Its totient is φ = 318227712.

The previous prime is 422646239. The next prime is 422646277. The reversal of 422646265 is 562646224.

It can be written as a sum of positive squares in 4 ways, for example, as 187361344 + 235284921 = 13688^2 + 15339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422646265 - 2²⁷ = 288428537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486070 + ... + 2486239.

It is an arithmetic number, because the mean of its divisors is an integer number (67126185).

Almost surely, 2^422646265 is an apocalyptic number.

It is an amenable number.

422646265 is a deficient number, since it is larger than the sum of its proper divisors (114363215).

422646265 is a wasteful number, since it uses less digits than its factorization.

422646265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4972331.

The product of its digits is 138240, while the sum is 37.

The square root of 422646265 is about 20558.3624104645. The cubic root of 422646265 is about 750.4567676872.

Subtracting from 422646265 its product of digits (138240), we obtain a square (422508025 = 20555²).

The spelling of 422646265 in words is "four hundred twenty-two million, six hundred forty-six thousand, two hundred sixty-five".