122112222 has 8 divisors (see below), whose sum is σ = 244224456. Its totient is φ = 40704072.

The previous prime is 122112209. The next prime is 122112229. The reversal of 122112222 is 222211221.

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

122112222 is an admirable number.

It is a super-2 number, since 2×122112222² = 29822789523554568, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112229) 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, 10176013 + ... + 10176024.

It is an arithmetic number, because the mean of its divisors is an integer number (30528057).

Almost surely, 2^122112222 is an apocalyptic number.

122112222 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.

122112222 is a wasteful number, since it uses less digits than its factorization.

122112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20352042.

The product of its digits is 64, while the sum is 15.

The square root of 122112222 is about 11050.4399007460. The cubic root of 122112222 is about 496.1195921085.

Adding to 122112222 its reverse (222211221), we get a palindrome (344323443).

The spelling of 122112222 in words is "one hundred twenty-two million, one hundred twelve thousand, two hundred twenty-two".