7225766 has 4 divisors (see below), whose sum is σ = 10838652. Its totient is φ = 3612882.

The previous prime is 7225747. The next prime is 7225781. The reversal of 7225766 is 6675227.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6675227 = 13 ⋅513479.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806440 + ... + 1806443.

It is an arithmetic number, because the mean of its divisors is an integer number (2709663).

Almost surely, 2^7225766 is an apocalyptic number.

7225766 is a deficient number, since it is larger than the sum of its proper divisors (3612886).

7225766 is a wasteful number, since it uses less digits than its factorization.

7225766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612885.

The product of its digits is 35280, while the sum is 35.

The square root of 7225766 is about 2688.0784958777. The cubic root of 7225766 is about 193.3279434354.

The spelling of 7225766 in words is "seven million, two hundred twenty-five thousand, seven hundred sixty-six".