222111222220223 has 6 divisors (see below), whose sum is σ = 258374278909296. Its totient is φ = 190381047617292.

The previous prime is 222111222220219. The next prime is 222111222220259. The reversal of 222111222220223 is 322022222111222.

It is not a de Polignac number, because 222111222220223 - 2² = 222111222220219 is a prime.

It is a super-2 number, since 2×222111222220223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222111222220192 and 222111222220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222111222220213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2266441043015 + ... + 2266441043112.

It is an arithmetic number, because the mean of its divisors is an integer number (43062379818216).

Almost surely, 2^{222111222220223} is an apocalyptic number.

222111222220223 is a deficient number, since it is larger than the sum of its proper divisors (36263056689073).

222111222220223 is an equidigital number, since it uses as much as digits as its factorization.

222111222220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532882086141 (or 4532882086134 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 222111222220223 its reverse (322022222111222), we get a palindrome (544133444331445).

The spelling of 222111222220223 in words is "two hundred twenty-two trillion, one hundred eleven billion, two hundred twenty-two million, two hundred twenty thousand, two hundred twenty-three".