222131202023 has 2 divisors, whose sum is σ = 222131202024. Its totient is φ = 222131202022.

The previous prime is 222131202017. The next prime is 222131202047. The reversal of 222131202023 is 320202131222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222131202023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222131201986 and 222131202004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222131202523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111065601011 + 111065601012.

It is an arithmetic number, because the mean of its divisors is an integer number (111065601012).

Almost surely, 2^222131202023 is an apocalyptic number.

222131202023 is a deficient number, since it is larger than the sum of its proper divisors (1).

222131202023 is an equidigital number, since it uses as much as digits as its factorization.

222131202023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222131202023 its reverse (320202131222), we get a palindrome (542333333245).

The spelling of 222131202023 in words is "two hundred twenty-two billion, one hundred thirty-one million, two hundred two thousand, twenty-three".