223099989 has 12 divisors (see below), whose sum is σ = 346032864. Its totient is φ = 127485624.

The previous prime is 223099969. The next prime is 223099991. The reversal of 223099989 is 989990322.

223099989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223099989 - 2⁸ = 223099733 is a prime.

It is a super-3 number, since 3×223099989³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223099909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 758697 + ... + 758990.

It is an arithmetic number, because the mean of its divisors is an integer number (28836072).

Almost surely, 2^223099989 is an apocalyptic number.

It is an amenable number.

223099989 is a deficient number, since it is larger than the sum of its proper divisors (122932875).

223099989 is a wasteful number, since it uses less digits than its factorization.

223099989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517704 (or 1517697 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 223099989 is about 14936.5320272143. The cubic root of 223099989 is about 606.5033205855.

The spelling of 223099989 in words is "two hundred twenty-three million, ninety-nine thousand, nine hundred eighty-nine".