222304365 has 32 divisors (see below), whose sum is σ = 396224640. Its totient is φ = 118257408.

The previous prime is 222304349. The next prime is 222304373. The reversal of 222304365 is 563403222.

222304365 is a `hidden beast` number, since 2 + 223 + 0 + 436 + 5 = 666.

It is not a de Polignac number, because 222304365 - 2⁴ = 222304349 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56554 + ... + 60356.

It is an arithmetic number, because the mean of its divisors is an integer number (12382020).

Almost surely, 2^222304365 is an apocalyptic number.

It is an amenable number.

222304365 is a deficient number, since it is larger than the sum of its proper divisors (173920275).

222304365 is a wasteful number, since it uses less digits than its factorization.

222304365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250 (or 4244 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 222304365 is about 14909.8747479649. The cubic root of 222304365 is about 605.7814867501.

Adding to 222304365 its reverse (563403222), we get a palindrome (785707587).

The spelling of 222304365 in words is "two hundred twenty-two million, three hundred four thousand, three hundred sixty-five".