223022333431021 has 2 divisors, whose sum is σ = 223022333431022. Its totient is φ = 223022333431020.

The previous prime is 223022333430947. The next prime is 223022333431039. The reversal of 223022333431021 is 120134333220322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209025494105796 + 13996839325225 = 14457714^2 + 3741235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223022333431021 is a prime.

It is a super-2 number, since 2×223022333431021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223022333431421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111511166715510 + 111511166715511.

It is an arithmetic number, because the mean of its divisors is an integer number (111511166715511).

Almost surely, 2^{223022333431021} is an apocalyptic number.

It is an amenable number.

223022333431021 is a deficient number, since it is larger than the sum of its proper divisors (1).

223022333431021 is an equidigital number, since it uses as much as digits as its factorization.

223022333431021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 223022333431021 its reverse (120134333220322), we get a palindrome (343156666651343).

The spelling of 223022333431021 in words is "two hundred twenty-three trillion, twenty-two billion, three hundred thirty-three million, four hundred thirty-one thousand, twenty-one".