422990211 has 32 divisors (see below), whose sum is σ = 655326720. Its totient is φ = 237701376.

The previous prime is 422990207. The next prime is 422990213. The reversal of 422990211 is 112099224.

It is a happy number.

It is not a de Polignac number, because 422990211 - 2² = 422990207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422990213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423765 + ... + 424761.

It is an arithmetic number, because the mean of its divisors is an integer number (20478960).

Almost surely, 2^422990211 is an apocalyptic number.

422990211 is a deficient number, since it is larger than the sum of its proper divisors (232336509).

422990211 is a wasteful number, since it uses less digits than its factorization.

422990211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 422990211 is about 20566.7258210927. The cubic root of 422990211 is about 750.6602843067.

The spelling of 422990211 in words is "four hundred twenty-two million, nine hundred ninety thousand, two hundred eleven".