122222100234 has 64 divisors (see below), whose sum is σ = 276856602624. Its totient is φ = 35688413376.

The previous prime is 122222100229. The next prime is 122222100271. The reversal of 122222100234 is 432001222221.

It is a self number, because there is not a number n which added to its sum of digits gives 122222100234.

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 31 ways as a sum of consecutive naturals, for example, 40384 + ... + 496059.

It is an arithmetic number, because the mean of its divisors is an integer number (4325884416).

Almost surely, 2^122222100234 is an apocalyptic number.

122222100234 is an abundant number, since it is smaller than the sum of its proper divisors (154634502390).

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

122222100234 is a wasteful number, since it uses less digits than its factorization.

122222100234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536611.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 122222100234 its reverse (432001222221), we get a palindrome (554223322455).

The spelling of 122222100234 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred thousand, two hundred thirty-four".