222859 has 16 divisors (see below), whose sum is σ = 286720. Its totient is φ = 168480.

The previous prime is 222857. The next prime is 222863. The reversal of 222859 is 958222.

It is not a de Polignac number, because 222859 - 2¹ = 222857 is a prime.

It is a super-2 number, since 2×222859² = 99332267762, which contains 22 as substring.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (222857) 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, 2782 + ... + 2860.

It is an arithmetic number, because the mean of its divisors is an integer number (17920).

2²²²⁸⁵⁹ is an apocalyptic number.

222859 is a deficient number, since it is larger than the sum of its proper divisors (63861).

222859 is a wasteful number, since it uses less digits than its factorization.

222859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130.

The product of its digits is 2880, while the sum is 28.

The square root of 222859 is about 472.0794424670. The cubic root of 222859 is about 60.6284863549.

It can be divided in two parts, 222 and 859, that added together give a triangular number (1081 = T₄₆).

The spelling of 222859 in words is "two hundred twenty-two thousand, eight hundred fifty-nine".