422359591 has 4 divisors (see below), whose sum is σ = 423170784. Its totient is φ = 421548400.

The previous prime is 422359571. The next prime is 422359601. The reversal of 422359591 is 195953224.

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 422359591 - 2⁵ = 422359559 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 (422359571) 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, 404815 + ... + 405856.

It is an arithmetic number, because the mean of its divisors is an integer number (105792696).

Almost surely, 2^422359591 is an apocalyptic number.

422359591 is a deficient number, since it is larger than the sum of its proper divisors (811193).

422359591 is an equidigital number, since it uses as much as digits as its factorization.

422359591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811192.

The product of its digits is 97200, while the sum is 40.

The square root of 422359591 is about 20551.3890284817. The cubic root of 422359591 is about 750.2870551555.

The spelling of 422359591 in words is "four hundred twenty-two million, three hundred fifty-nine thousand, five hundred ninety-one".