222945365 has 16 divisors (see below), whose sum is σ = 273369600. Its totient is φ = 174495552.

The previous prime is 222945341. The next prime is 222945367. The reversal of 222945365 is 563549222.

It is a cyclic number.

It is not a de Polignac number, because 222945365 - 2⁸ = 222945109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222945367) 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 15 ways as a sum of consecutive naturals, for example, 64091 + ... + 67479.

It is an arithmetic number, because the mean of its divisors is an integer number (17085600).

Almost surely, 2^222945365 is an apocalyptic number.

It is an amenable number.

222945365 is a deficient number, since it is larger than the sum of its proper divisors (50424235).

222945365 is a wasteful number, since it uses less digits than its factorization.

222945365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676.

The product of its digits is 129600, while the sum is 38.

The square root of 222945365 is about 14931.3550959047. The cubic root of 222945365 is about 606.3631717019.

The spelling of 222945365 in words is "two hundred twenty-two million, nine hundred forty-five thousand, three hundred sixty-five".