814822226 has 4 divisors (see below), whose sum is σ = 1222233342. Its totient is φ = 407411112.

The previous prime is 814822181. The next prime is 814822231. The reversal of 814822226 is 622228418.

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

It can be written as a sum of positive squares in only one way, i.e., 800946601 + 13875625 = 28301^2 + 3725^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203705555 + ... + 203705558.

Almost surely, 2^814822226 is an apocalyptic number.

814822226 is a deficient number, since it is larger than the sum of its proper divisors (407411116).

814822226 is a wasteful number, since it uses less digits than its factorization.

814822226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407411115.

The product of its digits is 24576, while the sum is 35.

The square root of 814822226 is about 28545.0911016238. The cubic root of 814822226 is about 934.0159419961.

The spelling of 814822226 in words is "eight hundred fourteen million, eight hundred twenty-two thousand, two hundred twenty-six".