7322225 has 12 divisors (see below), whose sum is σ = 9137436. Its totient is φ = 5820480.

The previous prime is 7322221. The next prime is 7322233. The reversal of 7322225 is 5222237.

It can be written as a sum of positive squares in 6 ways, for example, as 10609 + 7311616 = 103^2 + 2704^2 .

It is not a de Polignac number, because 7322225 - 2² = 7322221 is a prime.

It is a super-2 number, since 2×7322225² = 107229957901250, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 7322225.

It is not an unprimeable number, because it can be changed into a prime (7322221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3479 + ... + 5171.

It is an arithmetic number, because the mean of its divisors is an integer number (761453).

Almost surely, 2^7322225 is an apocalyptic number.

It is an amenable number.

7322225 is a deficient number, since it is larger than the sum of its proper divisors (1815211).

7322225 is a wasteful number, since it uses less digits than its factorization.

7322225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876 (or 1871 counting only the distinct ones).

The product of its digits is 1680, while the sum is 23.

The square root of 7322225 is about 2705.9610122838. The cubic root of 7322225 is about 194.1844085622.

The spelling of 7322225 in words is "seven million, three hundred twenty-two thousand, two hundred twenty-five".