222323460581 has 2 divisors, whose sum is σ = 222323460582. Its totient is φ = 222323460580.

The previous prime is 222323460551. The next prime is 222323460587. The reversal of 222323460581 is 185064323222.

It is a happy number.

222323460581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210731493025 + 11591967556 = 459055^2 + 107666^2 .

It is a cyclic number.

It is not a de Polignac number, because 222323460581 - 2¹⁰ = 222323459557 is a prime.

It is a super-2 number, since 2×222323460581² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222323460587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111161730290 + 111161730291.

It is an arithmetic number, because the mean of its divisors is an integer number (111161730291).

Almost surely, 2^222323460581 is an apocalyptic number.

It is an amenable number.

222323460581 is a deficient number, since it is larger than the sum of its proper divisors (1).

222323460581 is an equidigital number, since it uses as much as digits as its factorization.

222323460581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 222323460581 in words is "two hundred twenty-two billion, three hundred twenty-three million, four hundred sixty thousand, five hundred eighty-one".