222221101122222 has 32 divisors (see below), whose sum is σ = 476299986435072. Its totient is φ = 68938155928224.

The previous prime is 222221101122149. The next prime is 222221101122301.

It is a happy number.

222221101122222 is nontrivially palindromic in base 10.

222221101122222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222221101122192 and 222221101122201.

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, 21760776438 + ... + 21760786649.

It is an arithmetic number, because the mean of its divisors is an integer number (14884374576096).

Almost surely, 2^{222221101122222} is an apocalyptic number.

222221101122222 is an abundant number, since it is smaller than the sum of its proper divisors (254078885312850).

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

222221101122222 is a wasteful number, since it uses less digits than its factorization.

222221101122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43521563152.

The product of its (nonzero) digits is 1024, while the sum is 24.

It can be divided in two parts, 22222110 and 1122222, that added together give a palindrome (23344332).

The spelling of 222221101122222 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty-two thousand, two hundred twenty-two".