22445489 has 8 divisors (see below), whose sum is σ = 24520800. Its totient is φ = 20376000.

The previous prime is 22445483. The next prime is 22445503. The reversal of 22445489 is 98454422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22445489 - 2⁴ = 22445473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22445483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12362 + ... + 14060.

It is an arithmetic number, because the mean of its divisors is an integer number (3065100).

Almost surely, 2^22445489 is an apocalyptic number.

It is an amenable number.

22445489 is a deficient number, since it is larger than the sum of its proper divisors (2075311).

22445489 is a wasteful number, since it uses less digits than its factorization.

22445489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911.

The product of its digits is 92160, while the sum is 38.

The square root of 22445489 is about 4737.6670419100. The cubic root of 22445489 is about 282.0826384572.

The spelling of 22445489 in words is "twenty-two million, four hundred forty-five thousand, four hundred eighty-nine".