222645163 has 6 divisors (see below), whose sum is σ = 241089324. Its totient is φ = 205518456.

The previous prime is 222645161. The next prime is 222645179. The reversal of 222645163 is 361546222.

It is not a de Polignac number, because 222645163 - 2¹ = 222645161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222645161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 658545 + ... + 658882.

It is an arithmetic number, because the mean of its divisors is an integer number (40181554).

Almost surely, 2^222645163 is an apocalyptic number.

222645163 is a deficient number, since it is larger than the sum of its proper divisors (18444161).

222645163 is a wasteful number, since it uses less digits than its factorization.

222645163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317453 (or 1317440 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 222645163 is about 14921.2989716043. The cubic root of 222645163 is about 606.0908879498.

The spelling of 222645163 in words is "two hundred twenty-two million, six hundred forty-five thousand, one hundred sixty-three".