7318226 has 4 divisors (see below), whose sum is σ = 10977342. Its totient is φ = 3659112.

The previous prime is 7318189. The next prime is 7318247. The reversal of 7318226 is 6228137.

It is a happy number.

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., 5880625 + 1437601 = 2425^2 + 1199^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1829555 + ... + 1829558.

Almost surely, 2^7318226 is an apocalyptic number.

7318226 is a deficient number, since it is larger than the sum of its proper divisors (3659116).

7318226 is a wasteful number, since it uses less digits than its factorization.

7318226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659115.

The product of its digits is 4032, while the sum is 29.

The square root of 7318226 is about 2705.2219871944. The cubic root of 7318226 is about 194.1490511464.

The spelling of 7318226 in words is "seven million, three hundred eighteen thousand, two hundred twenty-six".