223207489 has 4 divisors (see below), whose sum is σ = 225374656. Its totient is φ = 221040324.

The previous prime is 223207429. The next prime is 223207493. The reversal of 223207489 is 984702322.

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 not a de Polignac number, because 223207489 - 2¹¹ = 223205441 is a prime.

It is a super-3 number, since 3×223207489³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223207429) 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, 1083429 + ... + 1083634.

It is an arithmetic number, because the mean of its divisors is an integer number (56343664).

Almost surely, 2^223207489 is an apocalyptic number.

It is an amenable number.

223207489 is a deficient number, since it is larger than the sum of its proper divisors (2167167).

223207489 is a wasteful number, since it uses less digits than its factorization.

223207489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167166.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 223207489 is about 14940.1301533822. The cubic root of 223207489 is about 606.6007188240.

The spelling of 223207489 in words is "two hundred twenty-three million, two hundred seven thousand, four hundred eighty-nine".