222366 has 8 divisors (see below), whose sum is σ = 444744. Its totient is φ = 74120.

The previous prime is 222361. The next prime is 222367. The reversal of 222366 is 663222.

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

222366 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222361) 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, 18525 + ... + 18536.

It is an arithmetic number, because the mean of its divisors is an integer number (55593).

2²²²³⁶⁶ is an apocalyptic number.

222366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222366 is a wasteful number, since it uses less digits than its factorization.

222366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37066.

The product of its digits is 864, while the sum is 21.

The square root of 222366 is about 471.5569954947. The cubic root of 222366 is about 60.5837466895.

Adding to 222366 its reverse (663222), we get a palindrome (885588).

The spelling of 222366 in words is "two hundred twenty-two thousand, three hundred sixty-six".