223456412250289 has 2 divisors, whose sum is σ = 223456412250290. Its totient is φ = 223456412250288.

The previous prime is 223456412250041. The next prime is 223456412250347. The reversal of 223456412250289 is 982052214654322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127661412600225 + 95794999650064 = 11298735^2 + 9787492^2 .

It is a cyclic number.

It is not a de Polignac number, because 223456412250289 - 2¹⁷ = 223456412119217 is a prime.

It is a super-2 number, since 2×223456412250289² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223456412290289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111728206125144 + 111728206125145.

It is an arithmetic number, because the mean of its divisors is an integer number (111728206125145).

Almost surely, 2^{223456412250289} is an apocalyptic number.

It is an amenable number.

223456412250289 is a deficient number, since it is larger than the sum of its proper divisors (1).

223456412250289 is an equidigital number, since it uses as much as digits as its factorization.

223456412250289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16588800, while the sum is 55.

The spelling of 223456412250289 in words is "two hundred twenty-three trillion, four hundred fifty-six billion, four hundred twelve million, two hundred fifty thousand, two hundred eighty-nine".