222161163 has 16 divisors (see below), whose sum is σ = 353250816. Its totient is φ = 121429440.

The previous prime is 222161143. The next prime is 222161171. The reversal of 222161163 is 361161222.

It is not a de Polignac number, because 222161163 - 2⁵ = 222161131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222161113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229498 + ... + 230463.

It is an arithmetic number, because the mean of its divisors is an integer number (22078176).

Almost surely, 2^222161163 is an apocalyptic number.

222161163 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

222161163 is a deficient number, since it is larger than the sum of its proper divisors (131089653).

222161163 is a wasteful number, since it uses less digits than its factorization.

222161163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459994.

The product of its digits is 864, while the sum is 24.

The square root of 222161163 is about 14905.0717207265. The cubic root of 222161163 is about 605.6513832106.

The spelling of 222161163 in words is "two hundred twenty-two million, one hundred sixty-one thousand, one hundred sixty-three".