7207226 has 16 divisors (see below), whose sum is σ = 11928168. Its totient is φ = 3244800.

The previous prime is 7207223. The next prime is 7207229. The reversal of 7207226 is 6227027.

It is an interprime number because it is at equal distance from previous prime (7207223) and next prime (7207229).

It can be written as a sum of positive squares in 4 ways, for example, as 4141225 + 3066001 = 2035^2 + 1751^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 7207195 and 7207204.

It is not an unprimeable number, because it can be changed into a prime (7207223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2315 + ... + 4446.

Almost surely, 2^7207226 is an apocalyptic number.

7207226 is a deficient number, since it is larger than the sum of its proper divisors (4720942).

7207226 is a wasteful number, since it uses less digits than its factorization.

7207226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 7207226 is about 2684.6277209326. The cubic root of 7207226 is about 193.1624537142.

The spelling of 7207226 in words is "seven million, two hundred seven thousand, two hundred twenty-six".