222123231021233 has 2 divisors, whose sum is σ = 222123231021234. Its totient is φ = 222123231021232.

The previous prime is 222123231021229. The next prime is 222123231021239. The reversal of 222123231021233 is 332120132321222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206136284357809 + 15986946663424 = 14357447^2 + 3998368^2 .

It is a cyclic number.

It is not a de Polignac number, because 222123231021233 - 2² = 222123231021229 is a prime.

It is a super-2 number, since 2×222123231021233² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222123231021196 and 222123231021205.

It is not a weakly prime, because it can be changed into another prime (222123231021239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061615510616 + 111061615510617.

It is an arithmetic number, because the mean of its divisors is an integer number (111061615510617).

Almost surely, 2^{222123231021233} is an apocalyptic number.

It is an amenable number.

222123231021233 is a deficient number, since it is larger than the sum of its proper divisors (1).

222123231021233 is an equidigital number, since it uses as much as digits as its factorization.

222123231021233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 222123231021233 its reverse (332120132321222), we get a palindrome (554243363342455).

The spelling of 222123231021233 in words is "two hundred twenty-two trillion, one hundred twenty-three billion, two hundred thirty-one million, twenty-one thousand, two hundred thirty-three".