7222365 has 40 divisors (see below), whose sum is σ = 13721400. Its totient is φ = 3621888.

The previous prime is 7222361. The next prime is 7222373. The reversal of 7222365 is 5632227.

It can be written as a sum of positive squares in 4 ways, for example, as 3048516 + 4173849 = 1746^2 + 2043^2 .

It is not a de Polignac number, because 7222365 - 2² = 7222361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

7222365 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222361) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 6361 + ... + 7409.

It is an arithmetic number, because the mean of its divisors is an integer number (343035).

Almost surely, 2^7222365 is an apocalyptic number.

It is an amenable number.

7222365 is a deficient number, since it is larger than the sum of its proper divisors (6499035).

7222365 is a wasteful number, since it uses less digits than its factorization.

7222365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1074 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 7222365 is about 2687.4458134072. The cubic root of 7222365 is about 193.2976070198.

The spelling of 7222365 in words is "seven million, two hundred twenty-two thousand, three hundred sixty-five".