222286 has 4 divisors (see below), whose sum is σ = 333432. Its totient is φ = 111142.

The previous prime is 222269. The next prime is 222289. The reversal of 222286 is 682222.

222286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×222286² = 98822131592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55570 + ... + 55573.

It is an arithmetic number, because the mean of its divisors is an integer number (83358).

2²²²²⁸⁶ is an apocalyptic number.

222286 is a deficient number, since it is larger than the sum of its proper divisors (111146).

222286 is a wasteful number, since it uses less digits than its factorization.

222286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111145.

The product of its digits is 768, while the sum is 22.

The square root of 222286 is about 471.4721624868. The cubic root of 222286 is about 60.5764804691.

The spelling of 222286 in words is "two hundred twenty-two thousand, two hundred eighty-six".