222120002231 has 2 divisors, whose sum is σ = 222120002232. Its totient is φ = 222120002230.

The previous prime is 222120002219. The next prime is 222120002233. The reversal of 222120002231 is 132200021222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222120002231 is a prime.

It is a super-2 number, since 2×222120002231² (a number of 23 digits) contains 22 as substring.

Together with 222120002233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120002233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060001115 + 111060001116.

It is an arithmetic number, because the mean of its divisors is an integer number (111060001116).

Almost surely, 2^222120002231 is an apocalyptic number.

222120002231 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120002231 is an equidigital number, since it uses as much as digits as its factorization.

222120002231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222120002231 its reverse (132200021222), we get a palindrome (354320023453).

The spelling of 222120002231 in words is "two hundred twenty-two billion, one hundred twenty million, two thousand, two hundred thirty-one".