222850 has 12 divisors (see below), whose sum is σ = 414594. Its totient is φ = 89120.

The previous prime is 222841. The next prime is 222857. The reversal of 222850 is 58222.

It can be written as a sum of positive squares in 3 ways, for example, as 184041 + 38809 = 429^2 + 197^2 .

It is not an unprimeable number, because it can be changed into a prime (222857) by changing a digit.

222850 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2179 + ... + 2278.

2²²²⁸⁵⁰ is an apocalyptic number.

222850 is a deficient number, since it is larger than the sum of its proper divisors (191744).

222850 is a wasteful number, since it uses less digits than its factorization.

222850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469 (or 4464 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 222850 is about 472.0699100769. The cubic root of 222850 is about 60.6276701980.

It can be divided in two parts, 2228 and 50, that added together give a triangular number (2278 = T₆₇).

The spelling of 222850 in words is "two hundred twenty-two thousand, eight hundred fifty".