22389249 has 16 divisors (see below), whose sum is σ = 30820608. Its totient is φ = 14449152.

The previous prime is 22389217. The next prime is 22389259. The reversal of 22389249 is 94298322.

It is a happy number.

It is not a de Polignac number, because 22389249 - 2⁵ = 22389217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22389259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12859 + ... + 14495.

It is an arithmetic number, because the mean of its divisors is an integer number (1926288).

Almost surely, 2^22389249 is an apocalyptic number.

It is an amenable number.

22389249 is a deficient number, since it is larger than the sum of its proper divisors (8431359).

22389249 is a wasteful number, since it uses less digits than its factorization.

22389249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784.

The product of its digits is 62208, while the sum is 39.

The square root of 22389249 is about 4731.7279084918. The cubic root of 22389249 is about 281.8468435485.

The spelling of 22389249 in words is "twenty-two million, three hundred eighty-nine thousand, two hundred forty-nine".