422597 has 8 divisors (see below), whose sum is σ = 490176. Its totient is φ = 356832.

The previous prime is 422581. The next prime is 422621. The reversal of 422597 is 795224.

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

It is not a de Polignac number, because 422597 - 2⁴ = 422581 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422597.

It is not an unprimeable number, because it can be changed into a prime (422537) 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, 98 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (61272).

2⁴²²⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

422597 is a deficient number, since it is larger than the sum of its proper divisors (67579).

422597 is an equidigital number, since it uses as much as digits as its factorization.

422597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907.

The product of its digits is 5040, while the sum is 29.

The square root of 422597 is about 650.0746111024. The cubic root of 422597 is about 75.0427608007.

The spelling of 422597 in words is "four hundred twenty-two thousand, five hundred ninety-seven".