422391814 has 16 divisors (see below), whose sum is σ = 690549552. Its totient is φ = 192600288.

The previous prime is 422391791. The next prime is 422391817. The reversal of 422391814 is 418193224.

It is a self number, because there is not a number n which added to its sum of digits gives 422391814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422391817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95709 + ... + 100024.

It is an arithmetic number, because the mean of its divisors is an integer number (43159347).

Almost surely, 2^422391814 is an apocalyptic number.

422391814 is a deficient number, since it is larger than the sum of its proper divisors (268157738).

422391814 is a wasteful number, since it uses less digits than its factorization.

422391814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195831.

The product of its digits is 13824, while the sum is 34.

The square root of 422391814 is about 20552.1729751382. The cubic root of 422391814 is about 750.3061351728.

The spelling of 422391814 in words is "four hundred twenty-two million, three hundred ninety-one thousand, eight hundred fourteen".