222236166 has 32 divisors (see below), whose sum is σ = 464767488. Its totient is φ = 70709760.

The previous prime is 222236159. The next prime is 222236167. The reversal of 222236166 is 661632222.

222236166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222236167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78231 + ... + 81021.

It is an arithmetic number, because the mean of its divisors is an integer number (14523984).

Almost surely, 2^222236166 is an apocalyptic number.

222236166 is an abundant number, since it is smaller than the sum of its proper divisors (242531322).

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

222236166 is a wasteful number, since it uses less digits than its factorization.

222236166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396.

The product of its digits is 10368, while the sum is 30.

The square root of 222236166 is about 14907.5875311869. The cubic root of 222236166 is about 605.7195327753.

Adding to 222236166 its reverse (661632222), we get a palindrome (883868388).

The spelling of 222236166 in words is "two hundred twenty-two million, two hundred thirty-six thousand, one hundred sixty-six".