7223266 has 12 divisors (see below), whose sum is σ = 11510658. Its totient is φ = 3398912.

The previous prime is 7223261. The next prime is 7223267. The reversal of 7223266 is 6623227.

It can be written as a sum of positive squares in 3 ways, for example, as 7177041 + 46225 = 2679^2 + 215^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7223261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5671 + ... + 6826.

Almost surely, 2^7223266 is an apocalyptic number.

7223266 is a deficient number, since it is larger than the sum of its proper divisors (4287392).

7223266 is a wasteful number, since it uses less digits than its factorization.

7223266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12533 (or 12516 counting only the distinct ones).

The product of its digits is 6048, while the sum is 28.

The square root of 7223266 is about 2687.6134394663. The cubic root of 7223266 is about 193.3056447334.

The spelling of 7223266 in words is "seven million, two hundred twenty-three thousand, two hundred sixty-six".