222141166 has 16 divisors (see below), whose sum is σ = 359594928. Its totient is φ = 102312000.

The previous prime is 222141151. The next prime is 222141181. The reversal of 222141166 is 661141222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222141151) and next prime (222141181).

It is a self number, because there is not a number n which added to its sum of digits gives 222141166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4066 + ... + 21466.

It is an arithmetic number, because the mean of its divisors is an integer number (22474683).

Almost surely, 2^222141166 is an apocalyptic number.

222141166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

222141166 is a deficient number, since it is larger than the sum of its proper divisors (137453762).

222141166 is a wasteful number, since it uses less digits than its factorization.

222141166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17907.

The product of its digits is 1152, while the sum is 25.

The square root of 222141166 is about 14904.4008936958. The cubic root of 222141166 is about 605.6332108563.

Adding to 222141166 its reverse (661141222), we get a palindrome (883282388).

The spelling of 222141166 in words is "two hundred twenty-two million, one hundred forty-one thousand, one hundred sixty-six".