223112489 has 4 divisors (see below), whose sum is σ = 232813056. Its totient is φ = 213411924.

The previous prime is 223112467. The next prime is 223112503. The reversal of 223112489 is 984211322.

223112489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223112489 is a prime.

It is a super-3 number, since 3×223112489³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223112419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4850249 + ... + 4850294.

It is an arithmetic number, because the mean of its divisors is an integer number (58203264).

Almost surely, 2^223112489 is an apocalyptic number.

It is an amenable number.

223112489 is a deficient number, since it is larger than the sum of its proper divisors (9700567).

223112489 is an equidigital number, since it uses as much as digits as its factorization.

223112489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9700566.

The product of its digits is 6912, while the sum is 32.

The square root of 223112489 is about 14936.9504585106. The cubic root of 223112489 is about 606.5146475694.

The spelling of 223112489 in words is "two hundred twenty-three million, one hundred twelve thousand, four hundred eighty-nine".