222633166 has 12 divisors (see below), whose sum is σ = 388472328. Its totient is φ = 95414172.

The previous prime is 222633163. The next prime is 222633179. The reversal of 222633166 is 661336222.

It is a happy number.

222633166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222633163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1135786 + ... + 1135981.

It is an arithmetic number, because the mean of its divisors is an integer number (32372694).

Almost surely, 2^222633166 is an apocalyptic number.

222633166 is a deficient number, since it is larger than the sum of its proper divisors (165839162).

222633166 is a wasteful number, since it uses less digits than its factorization.

222633166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271783 (or 2271776 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 222633166 is about 14920.8969569527. The cubic root of 222633166 is about 606.0800015647.

Adding to 222633166 its reverse (661336222), we get a palindrome (883969388).

The spelling of 222633166 in words is "two hundred twenty-two million, six hundred thirty-three thousand, one hundred sixty-six".