222320145409 has 2 divisors, whose sum is σ = 222320145410. Its totient is φ = 222320145408.

The previous prime is 222320145379. The next prime is 222320145433. The reversal of 222320145409 is 904541023222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147751828225 + 74568317184 = 384385^2 + 273072^2 .

It is a cyclic number.

It is not a de Polignac number, because 222320145409 - 2²⁹ = 221783274497 is a prime.

It is not a weakly prime, because it can be changed into another prime (222320145469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160072704 + 111160072705.

It is an arithmetic number, because the mean of its divisors is an integer number (111160072705).

Almost surely, 2^222320145409 is an apocalyptic number.

It is an amenable number.

222320145409 is a deficient number, since it is larger than the sum of its proper divisors (1).

222320145409 is an equidigital number, since it uses as much as digits as its factorization.

222320145409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 222320145409 in words is "two hundred twenty-two billion, three hundred twenty million, one hundred forty-five thousand, four hundred nine".