7226865 has 24 divisors (see below), whose sum is σ = 12835368. Its totient is φ = 3759360.

The previous prime is 7226839. The next prime is 7226903. The reversal of 7226865 is 5686227.

It can be written as a sum of positive squares in 4 ways, for example, as 304704 + 6922161 = 552^2 + 2631^2 .

It is not a de Polignac number, because 7226865 - 2⁵ = 7226833 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114 + ... + 3803.

It is an arithmetic number, because the mean of its divisors is an integer number (534807).

Almost surely, 2^7226865 is an apocalyptic number.

It is an amenable number.

7226865 is a deficient number, since it is larger than the sum of its proper divisors (5608503).

7226865 is a wasteful number, since it uses less digits than its factorization.

7226865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969 (or 3966 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 7226865 is about 2688.2829092192. The cubic root of 7226865 is about 193.3377443174.

The spelling of 7226865 in words is "seven million, two hundred twenty-six thousand, eight hundred sixty-five".