222320145589 has 2 divisors, whose sum is σ = 222320145590. Its totient is φ = 222320145588.

The previous prime is 222320145563. The next prime is 222320145613. The reversal of 222320145589 is 985541023222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131979624100 + 90340521489 = 363290^2 + 300567^2 .

It is a cyclic number.

It is not a de Polignac number, because 222320145589 - 2¹⁵ = 222320112821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222320145559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160072794 + 111160072795.

It is an arithmetic number, because the mean of its divisors is an integer number (111160072795).

Almost surely, 2^222320145589 is an apocalyptic number.

It is an amenable number.

222320145589 is a deficient number, since it is larger than the sum of its proper divisors (1).

222320145589 is an equidigital number, since it uses as much as digits as its factorization.

222320145589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 222320145589 in words is "two hundred twenty-two billion, three hundred twenty million, one hundred forty-five thousand, five hundred eighty-nine".