223099889 has 2 divisors, whose sum is σ = 223099890. Its totient is φ = 223099888.

The previous prime is 223099847. The next prime is 223099897. The reversal of 223099889 is 988990322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136702864 + 86397025 = 11692^2 + 9295^2 .

It is a cyclic number.

It is not a de Polignac number, because 223099889 - 2¹⁶ = 223034353 is a prime.

It is a super-3 number, since 3×223099889³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (223099829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111549944 + 111549945.

It is an arithmetic number, because the mean of its divisors is an integer number (111549945).

Almost surely, 2^223099889 is an apocalyptic number.

It is an amenable number.

223099889 is a deficient number, since it is larger than the sum of its proper divisors (1).

223099889 is an equidigital number, since it uses as much as digits as its factorization.

223099889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 223099889 is about 14936.5286797167. The cubic root of 223099889 is about 606.5032299679.

The spelling of 223099889 in words is "two hundred twenty-three million, ninety-nine thousand, eight hundred eighty-nine".