222320145469 has 2 divisors, whose sum is σ = 222320145470. Its totient is φ = 222320145468.

The previous prime is 222320145433. The next prime is 222320145559. The reversal of 222320145469 is 964541023222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189584480569 + 32735664900 = 435413^2 + 180930^2 .

It is a cyclic number.

It is not a de Polignac number, because 222320145469 - 2²¹ = 222318048317 is a prime.

It is a super-2 number, since 2×222320145469² (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 (222320145409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160072734 + 111160072735.

It is an arithmetic number, because the mean of its divisors is an integer number (111160072735).

Almost surely, 2^222320145469 is an apocalyptic number.

It is an amenable number.

222320145469 is a deficient number, since it is larger than the sum of its proper divisors (1).

222320145469 is an equidigital number, since it uses as much as digits as its factorization.

222320145469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 222320145469 in words is "two hundred twenty-two billion, three hundred twenty million, one hundred forty-five thousand, four hundred sixty-nine".