422637 has 8 divisors (see below), whose sum is σ = 596736. Its totient is φ = 265152.

The previous prime is 422627. The next prime is 422657. The reversal of 422637 is 736224.

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

It is not a de Polignac number, because 422637 - 2⁴ = 422621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4093 + ... + 4194.

It is an arithmetic number, because the mean of its divisors is an integer number (74592).

2⁴²²⁶³⁷ is an apocalyptic number.

It is an amenable number.

422637 is a deficient number, since it is larger than the sum of its proper divisors (174099).

422637 is a wasteful number, since it uses less digits than its factorization.

422637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8307.

The product of its digits is 2016, while the sum is 24.

The square root of 422637 is about 650.1053760738. The cubic root of 422637 is about 75.0451283958.

The spelling of 422637 in words is "four hundred twenty-two thousand, six hundred thirty-seven".