422575886 has 4 divisors (see below), whose sum is σ = 633863832. Its totient is φ = 211287942.

The previous prime is 422575871. The next prime is 422575891. The reversal of 422575886 is 688575224.

It is a semiprime because it is the product of two primes.

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 422575886.

It is a congruent 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 as a sum of consecutive naturals, namely, 105643970 + ... + 105643973.

It is an arithmetic number, because the mean of its divisors is an integer number (158465958).

Almost surely, 2^422575886 is an apocalyptic number.

422575886 is a deficient number, since it is larger than the sum of its proper divisors (211287946).

422575886 is a wasteful number, since it uses less digits than its factorization.

422575886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211287945.

The product of its digits is 1075200, while the sum is 47.

The square root of 422575886 is about 20556.6506513099. The cubic root of 422575886 is about 750.4151100543.

The spelling of 422575886 in words is "four hundred twenty-two million, five hundred seventy-five thousand, eight hundred eighty-six".