222012221023 has 2 divisors, whose sum is σ = 222012221024. Its totient is φ = 222012221022.

The previous prime is 222012221009. The next prime is 222012221029. The reversal of 222012221023 is 320122210222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222012221023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222012221029) 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 as a sum of consecutive naturals, namely, 111006110511 + 111006110512.

It is an arithmetic number, because the mean of its divisors is an integer number (111006110512).

Almost surely, 2^222012221023 is an apocalyptic number.

222012221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

222012221023 is an equidigital number, since it uses as much as digits as its factorization.

222012221023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 222012221023 its reverse (320122210222), we get a palindrome (542134431245).

The spelling of 222012221023 in words is "two hundred twenty-two billion, twelve million, two hundred twenty-one thousand, twenty-three".