22868489 has 4 divisors (see below), whose sum is σ = 26135424. Its totient is φ = 19601556.

The previous prime is 22868477. The next prime is 22868513. The reversal of 22868489 is 98486822.

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 22868489 - 2¹⁶ = 22802953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22868449) 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, 1633457 + ... + 1633470.

It is an arithmetic number, because the mean of its divisors is an integer number (6533856).

Almost surely, 2^22868489 is an apocalyptic number.

It is an amenable number.

22868489 is a deficient number, since it is larger than the sum of its proper divisors (3266935).

22868489 is an equidigital number, since it uses as much as digits as its factorization.

22868489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266934.

The product of its digits is 442368, while the sum is 47.

The square root of 22868489 is about 4782.1008981409. The cubic root of 22868489 is about 283.8436329261.

The spelling of 22868489 in words is "twenty-two million, eight hundred sixty-eight thousand, four hundred eighty-nine".