814393222 has 16 divisors (see below), whose sum is σ = 1230706512. Its totient is φ = 404167680.

The previous prime is 814393213. The next prime is 814393243. The reversal of 814393222 is 222393418.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 187378 + ... + 191674.

It is an arithmetic number, because the mean of its divisors is an integer number (76919157).

Almost surely, 2^814393222 is an apocalyptic number.

814393222 is a deficient number, since it is larger than the sum of its proper divisors (416313290).

814393222 is a wasteful number, since it uses less digits than its factorization.

814393222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983.

The product of its digits is 20736, while the sum is 34.

The square root of 814393222 is about 28537.5756153181. The cubic root of 814393222 is about 933.8519933845.

The spelling of 814393222 in words is "eight hundred fourteen million, three hundred ninety-three thousand, two hundred twenty-two".