22837489 has 8 divisors (see below), whose sum is σ = 23275080. Its totient is φ = 22404096.

The previous prime is 22837481. The next prime is 22837517. The reversal of 22837489 is 98473822.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36864 + 22800625 = 192^2 + 4775^2 .

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 22837489 - 2³ = 22837481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22837481) 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, 11257 + ... + 13129.

It is an arithmetic number, because the mean of its divisors is an integer number (2909385).

Almost surely, 2^22837489 is an apocalyptic number.

It is an amenable number.

22837489 is a deficient number, since it is larger than the sum of its proper divisors (437591).

22837489 is a wasteful number, since it uses less digits than its factorization.

22837489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099.

The product of its digits is 193536, while the sum is 43.

The square root of 22837489 is about 4778.8585457199. The cubic root of 22837489 is about 283.7153176186.

The spelling of 22837489 in words is "twenty-two million, eight hundred thirty-seven thousand, four hundred eighty-nine".