222302166 has 64 divisors (see below), whose sum is σ = 498597120. Its totient is φ = 65664000.

The previous prime is 222302161. The next prime is 222302177. The reversal of 222302166 is 661203222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222302161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486210 + ... + 486666.

It is an arithmetic number, because the mean of its divisors is an integer number (7790580).

Almost surely, 2^222302166 is an apocalyptic number.

222302166 is an abundant number, since it is smaller than the sum of its proper divisors (276294954).

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

222302166 is a wasteful number, since it uses less digits than its factorization.

222302166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 222302166 is about 14909.8010047083. The cubic root of 222302166 is about 605.7794893116.

Adding to 222302166 its reverse (661203222), we get a palindrome (883505388).

The spelling of 222302166 in words is "two hundred twenty-two million, three hundred two thousand, one hundred sixty-six".