422397583 has 4 divisors (see below), whose sum is σ = 423082800. Its totient is φ = 421712368.

The previous prime is 422397581. The next prime is 422397617. The reversal of 422397583 is 385793224.

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

It is a cyclic number.

It is not a de Polignac number, because 422397583 - 2¹ = 422397581 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 (422397581) 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, 341683 + ... + 342916.

It is an arithmetic number, because the mean of its divisors is an integer number (105770700).

Almost surely, 2^422397583 is an apocalyptic number.

422397583 is a deficient number, since it is larger than the sum of its proper divisors (685217).

422397583 is an equidigital number, since it uses as much as digits as its factorization.

422397583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685216.

The product of its digits is 362880, while the sum is 43.

The square root of 422397583 is about 20552.3133247817. The cubic root of 422397583 is about 750.3095510348.

The spelling of 422397583 in words is "four hundred twenty-two million, three hundred ninety-seven thousand, five hundred eighty-three".