422575957 has 4 divisors (see below), whose sum is σ = 422627116. Its totient is φ = 422524800.

The previous prime is 422575913. The next prime is 422575963. The reversal of 422575957 is 759575224.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 328116996 + 94458961 = 18114^2 + 9719^2 .

It is a cyclic number.

It is not a de Polignac number, because 422575957 - 2¹¹ = 422573909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422575997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10044 + ... + 30757.

It is an arithmetic number, because the mean of its divisors is an integer number (105656779).

Almost surely, 2^422575957 is an apocalyptic number.

It is an amenable number.

422575957 is a deficient number, since it is larger than the sum of its proper divisors (51159).

422575957 is a wasteful number, since it uses less digits than its factorization.

422575957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51158.

The product of its digits is 882000, while the sum is 46.

The square root of 422575957 is about 20556.6523782449. The cubic root of 422575957 is about 750.4151520819.

The spelling of 422575957 in words is "four hundred twenty-two million, five hundred seventy-five thousand, nine hundred fifty-seven".