222221101122223 has 4 divisors (see below), whose sum is σ = 253966972711120. Its totient is φ = 190475229533328.

The previous prime is 222221101122149. The next prime is 222221101122301. The reversal of 222221101122223 is 322221101122222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222221101122223 - 2²⁵ = 222221067567791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221101122323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15872935794438 + ... + 15872935794451.

It is an arithmetic number, because the mean of its divisors is an integer number (63491743177780).

Almost surely, 2^{222221101122223} is an apocalyptic number.

222221101122223 is a deficient number, since it is larger than the sum of its proper divisors (31745871588897).

222221101122223 is an equidigital number, since it uses as much as digits as its factorization.

222221101122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31745871588896.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 222221101122223 its reverse (322221101122222), we get a palindrome (544442202244445).

Subtracting 222221101122223 from its reverse (322221101122222), we obtain a palindrome (99999999999999).

The spelling of 222221101122223 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-three".