7912226 has 12 divisors (see below), whose sum is σ = 13806198. Its totient is φ = 3390912.

The previous prime is 7912217. The next prime is 7912237. The reversal of 7912226 is 6222197.

It can be written as a sum of positive squares in only one way, i.e., 4206601 + 3705625 = 2051^2 + 1925^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40271 + ... + 40466.

Almost surely, 2^7912226 is an apocalyptic number.

7912226 is a deficient number, since it is larger than the sum of its proper divisors (5893972).

7912226 is a wasteful number, since it uses less digits than its factorization.

7912226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80753 (or 80746 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 7912226 is about 2812.8679314891. The cubic root of 7912226 is about 199.2658584784.

Subtracting from 7912226 its sum of digits (29), we obtain a palindrome (7912197).

The spelling of 7912226 in words is "seven million, nine hundred twelve thousand, two hundred twenty-six".