422191005 has 32 divisors (see below), whose sum is σ = 717704064. Its totient is φ = 211193856.

The previous prime is 422190983. The next prime is 422191043. The reversal of 422191005 is 500191224.

It is not a de Polignac number, because 422191005 - 2⁹ = 422190493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75589 + ... + 80981.

It is an arithmetic number, because the mean of its divisors is an integer number (22428252).

Almost surely, 2^422191005 is an apocalyptic number.

It is an amenable number.

422191005 is a deficient number, since it is larger than the sum of its proper divisors (295513059).

422191005 is a wasteful number, since it uses less digits than its factorization.

422191005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 422191005 is about 20547.2870471992. The cubic root of 422191005 is about 750.1872154855.

The spelling of 422191005 in words is "four hundred twenty-two million, one hundred ninety-one thousand, five".