223677889 has 2 divisors, whose sum is σ = 223677890. Its totient is φ = 223677888.

The previous prime is 223677877. The next prime is 223677901. The reversal of 223677889 is 988776322.

It is a balanced prime because it is at equal distance from previous prime (223677877) and next prime (223677901).

It can be written as a sum of positive squares in only one way, i.e., 208311489 + 15366400 = 14433^2 + 3920^2 .

It is a cyclic number.

It is not a de Polignac number, because 223677889 - 2²⁵ = 190123457 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (223677859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111838944 + 111838945.

It is an arithmetic number, because the mean of its divisors is an integer number (111838945).

Almost surely, 2^223677889 is an apocalyptic number.

It is an amenable number.

223677889 is a deficient number, since it is larger than the sum of its proper divisors (1).

223677889 is an equidigital number, since it uses as much as digits as its factorization.

223677889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 52.

The square root of 223677889 is about 14955.8647025172. The cubic root of 223677889 is about 607.0265479678.

The spelling of 223677889 in words is "two hundred twenty-three million, six hundred seventy-seven thousand, eight hundred eighty-nine".