222899 has 4 divisors (see below), whose sum is σ = 224664. Its totient is φ = 221136.

The previous prime is 222883. The next prime is 222913. The reversal of 222899 is 998222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222899 - 2⁴ = 222883 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222839) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 677 + ... + 950.

It is an arithmetic number, because the mean of its divisors is an integer number (56166).

2²²²⁸⁹⁹ is an apocalyptic number.

222899 is a deficient number, since it is larger than the sum of its proper divisors (1765).

222899 is a wasteful number, since it uses less digits than its factorization.

222899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764.

The product of its digits is 5184, while the sum is 32.

The square root of 222899 is about 472.1218063170. The cubic root of 222899 is about 60.6321134530.

The spelling of 222899 in words is "two hundred twenty-two thousand, eight hundred ninety-nine".