814237222 has 4 divisors (see below), whose sum is σ = 1221355836. Its totient is φ = 407118610.

The previous prime is 814237199. The next prime is 814237243. The reversal of 814237222 is 222732418.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203559304 + ... + 203559307.

It is an arithmetic number, because the mean of its divisors is an integer number (305338959).

Almost surely, 2^814237222 is an apocalyptic number.

814237222 is a deficient number, since it is larger than the sum of its proper divisors (407118614).

814237222 is a wasteful number, since it uses less digits than its factorization.

814237222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407118613.

The product of its digits is 10752, while the sum is 31.

The square root of 814237222 is about 28534.8422459280. The cubic root of 814237222 is about 933.7923619886.

The spelling of 814237222 in words is "eight hundred fourteen million, two hundred thirty-seven thousand, two hundred twenty-two".