7222765 has 16 divisors (see below), whose sum is σ = 9688896. Its totient is φ = 5123200.

The previous prime is 7222763. The next prime is 7222771. The reversal of 7222765 is 5672227.

It is not a de Polignac number, because 7222765 - 2¹ = 7222763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654 + ... + 3856.

It is an arithmetic number, because the mean of its divisors is an integer number (605556).

Almost surely, 2^7222765 is an apocalyptic number.

It is an amenable number.

7222765 is a deficient number, since it is larger than the sum of its proper divisors (2466131).

7222765 is a wasteful number, since it uses less digits than its factorization.

7222765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260.

The product of its digits is 11760, while the sum is 31.

The square root of 7222765 is about 2687.5202324820. The cubic root of 7222765 is about 193.3011754546.

The spelling of 7222765 in words is "seven million, two hundred twenty-two thousand, seven hundred sixty-five".