122166222 has 8 divisors (see below), whose sum is σ = 244332456. Its totient is φ = 40722072.

The previous prime is 122166217. The next prime is 122166223. The reversal of 122166222 is 222661221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

122166222 is an admirable number.

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

It is a junction number, because it is equal to n+sod(n) for n = 122166192 and 122166201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122166223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10180513 + ... + 10180524.

It is an arithmetic number, because the mean of its divisors is an integer number (30541557).

Almost surely, 2^122166222 is an apocalyptic number.

122166222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122166222 is a wasteful number, since it uses less digits than its factorization.

122166222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361042.

The product of its digits is 1152, while the sum is 24.

The square root of 122166222 is about 11052.8829723290. The cubic root of 122166222 is about 496.1927120345.

The spelling of 122166222 in words is "one hundred twenty-two million, one hundred sixty-six thousand, two hundred twenty-two".