166226122 has 16 divisors (see below), whose sum is σ = 256193280. Its totient is φ = 80849968.

The previous prime is 166226113. The next prime is 166226131. The reversal of 166226122 is 221622661.

It is an interprime number because it is at equal distance from previous prime (166226113) and next prime (166226131).

It is a super-2 number, since 2×166226122² = 55262247270317768, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10404 + ... + 20992.

It is an arithmetic number, because the mean of its divisors is an integer number (16012080).

Almost surely, 2^166226122 is an apocalyptic number.

166226122 is a deficient number, since it is larger than the sum of its proper divisors (89967158).

166226122 is a wasteful number, since it uses less digits than its factorization.

166226122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10805.

The product of its digits is 3456, while the sum is 28.

The square root of 166226122 is about 12892.8709758533. The cubic root of 166226122 is about 549.8358981497.

Adding to 166226122 its reverse (221622661), we get a palindrome (387848783).

The spelling of 166226122 in words is "one hundred sixty-six million, two hundred twenty-six thousand, one hundred twenty-two".