222826 has 8 divisors (see below), whose sum is σ = 342144. Its totient is φ = 108780.

The previous prime is 222823. The next prime is 222839. The reversal of 222826 is 628222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 222797 and 222806.

It is not an unprimeable number, because it can be changed into a prime (222823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210 + ... + 1381.

It is an arithmetic number, because the mean of its divisors is an integer number (42768).

2²²²⁸²⁶ is an apocalyptic number.

222826 is a deficient number, since it is larger than the sum of its proper divisors (119318).

222826 is a wasteful number, since it uses less digits than its factorization.

222826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636.

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

The square root of 222826 is about 472.0444894287. The cubic root of 222826 is about 60.6254936722.

The spelling of 222826 in words is "two hundred twenty-two thousand, eight hundred twenty-six".