222645366 has 12 divisors (see below), whose sum is σ = 482398332. Its totient is φ = 74215116.

The previous prime is 222645349. The next prime is 222645377. The reversal of 222645366 is 663546222.

222645366 is a `hidden beast` number, since 2 + 2 + 2 + 645 + 3 + 6 + 6 = 666.

222645366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222645366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6184576 + ... + 6184611.

It is an arithmetic number, because the mean of its divisors is an integer number (40199861).

Almost surely, 2^222645366 is an apocalyptic number.

222645366 is an abundant number, since it is smaller than the sum of its proper divisors (259752966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222645366 is a wasteful number, since it uses less digits than its factorization.

222645366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12369195 (or 12369192 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 222645366 is about 14921.3057739596. The cubic root of 222645366 is about 606.0910721539.

The spelling of 222645366 in words is "two hundred twenty-two million, six hundred forty-five thousand, three hundred sixty-six".