122100222 has 32 divisors (see below), whose sum is σ = 265561632. Its totient is φ = 37269504.

The previous prime is 122100211. The next prime is 122100233. The reversal of 122100222 is 222001221.

It is an interprime number because it is at equal distance from previous prime (122100211) and next prime (122100233).

It is a junction number, because it is equal to n+sod(n) for n = 122100198 and 122100207.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12403 + ... + 19950.

It is an arithmetic number, because the mean of its divisors is an integer number (8298801).

Almost surely, 2^122100222 is an apocalyptic number.

122100222 is an abundant number, since it is smaller than the sum of its proper divisors (143461410).

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

122100222 is a wasteful number, since it uses less digits than its factorization.

122100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32412.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 122100222 is about 11049.8969225962. The cubic root of 122100222 is about 496.1033403088.

Adding to 122100222 its reverse (222001221), we get a palindrome (344101443).

Subtracting 122100222 from its reverse (222001221), we obtain a palindrome (99900999).

The spelling of 122100222 in words is "one hundred twenty-two million, one hundred thousand, two hundred twenty-two".