122222232222 has 64 divisors (see below), whose sum is σ = 254064245760. Its totient is φ = 39169142784.

The previous prime is 122222232193. The next prime is 122222232229. The reversal of 122222232222 is 222232222221.

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 = 122222232192 and 122222232201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222232229) 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 31 ways as a sum of consecutive naturals, for example, 43140918 + ... + 43143750.

It is an arithmetic number, because the mean of its divisors is an integer number (3969753840).

Almost surely, 2^122222232222 is an apocalyptic number.

122222232222 is an abundant number, since it is smaller than the sum of its proper divisors (131842013538).

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

122222232222 is a wasteful number, since it uses less digits than its factorization.

122222232222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537.

The product of its digits is 3072, while the sum is 24.

Adding to 122222232222 its reverse (222232222221), we get a palindrome (344454454443).

The spelling of 122222232222 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred thirty-two thousand, two hundred twenty-two".