222402325 has 6 divisors (see below), whose sum is σ = 275778914. Its totient is φ = 177921840.

The previous prime is 222402319. The next prime is 222402331. The reversal of 222402325 is 523204222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222402319) and next prime (222402331).

It can be written as a sum of positive squares in 3 ways, for example, as 13830961 + 208571364 = 3719^2 + 14442^2 .

It is not a de Polignac number, because 222402325 - 2⁷ = 222402197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222402296 and 222402305.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 4448022 + ... + 4448071.

Almost surely, 2^222402325 is an apocalyptic number.

222402325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222402325 is a deficient number, since it is larger than the sum of its proper divisors (53376589).

222402325 is an equidigital number, since it uses as much as digits as its factorization.

222402325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8896103 (or 8896098 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 222402325 is about 14913.1594573383. The cubic root of 222402325 is about 605.8704543240.

Adding to 222402325 its reverse (523204222), we get a palindrome (745606547).

The spelling of 222402325 in words is "two hundred twenty-two million, four hundred two thousand, three hundred twenty-five".