122211222 has 32 divisors (see below), whose sum is σ = 286893312. Its totient is φ = 33973344.

The previous prime is 122211217. The next prime is 122211241. The reversal of 122211222 is 222112221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37768 + ... + 40875.

It is an arithmetic number, because the mean of its divisors is an integer number (8965416).

Almost surely, 2^122211222 is an apocalyptic number.

122211222 is an abundant number, since it is smaller than the sum of its proper divisors (164682090).

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

122211222 is a wasteful number, since it uses less digits than its factorization.

122211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78692.

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

The square root of 122211222 is about 11054.9184528878. The cubic root of 122211222 is about 496.2536288483.

Adding to 122211222 its reverse (222112221), we get a palindrome (344323443).

Subtracting 122211222 from its reverse (222112221), we obtain a palindrome (99900999).

The spelling of 122211222 in words is "one hundred twenty-two million, two hundred eleven thousand, two hundred twenty-two".