122220222 has 16 divisors (see below), whose sum is σ = 244818192. Its totient is φ = 40677120.

The previous prime is 122220209. The next prime is 122220223. The reversal of 122220222 is 222022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11443 + ... + 19374.

It is an arithmetic number, because the mean of its divisors is an integer number (15301137).

Almost surely, 2^122220222 is an apocalyptic number.

122220222 is an abundant number, since it is smaller than the sum of its proper divisors (122597970).

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

122220222 is a wasteful number, since it uses less digits than its factorization.

122220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31483.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 122220222 is about 11055.3255040275. The cubic root of 122220222 is about 496.2658104166.

Adding to 122220222 its reverse (222022221), we get a palindrome (344242443).

The spelling of 122220222 in words is "one hundred twenty-two million, two hundred twenty thousand, two hundred twenty-two".