222321023 has 2 divisors, whose sum is σ = 222321024. Its totient is φ = 222321022.

The previous prime is 222321007. The next prime is 222321041. The reversal of 222321023 is 320123222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222321023 - 2⁴ = 222321007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222320992 and 222321010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222351023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160511 + 111160512.

It is an arithmetic number, because the mean of its divisors is an integer number (111160512).

Almost surely, 2^222321023 is an apocalyptic number.

222321023 is a deficient number, since it is larger than the sum of its proper divisors (1).

222321023 is an equidigital number, since it uses as much as digits as its factorization.

222321023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 222321023 is about 14910.4333605700. The cubic root of 222321023 is about 605.7966174411.

Adding to 222321023 its reverse (320123222), we get a palindrome (542444245).

The spelling of 222321023 in words is "two hundred twenty-two million, three hundred twenty-one thousand, twenty-three".