222131221212223 has 8 divisors (see below), whose sum is σ = 222260644428336. Its totient is φ = 222001828132800.

The previous prime is 222131221212167. The next prime is 222131221212227. The reversal of 222131221212223 is 322212122131222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222131221212223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222131221212191 and 222131221212200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222131221212227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7220115 + ... + 22279867.

It is an arithmetic number, because the mean of its divisors is an integer number (27782580553542).

Almost surely, 2^{222131221212223} is an apocalyptic number.

222131221212223 is a deficient number, since it is larger than the sum of its proper divisors (129423216113).

222131221212223 is a wasteful number, since it uses less digits than its factorization.

222131221212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15068345.

The product of its digits is 4608, while the sum is 28.

Adding to 222131221212223 its reverse (322212122131222), we get a palindrome (544343343343445).

The spelling of 222131221212223 in words is "two hundred twenty-two trillion, one hundred thirty-one billion, two hundred twenty-one million, two hundred twelve thousand, two hundred twenty-three".