22790289 has 8 divisors (see below), whose sum is σ = 30409120. Its totient is φ = 15182496.

The previous prime is 22790269. The next prime is 22790293. The reversal of 22790289 is 98209722.

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

It is not a de Polignac number, because 22790289 - 2⁹ = 22789777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22790269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6549 + ... + 9405.

It is an arithmetic number, because the mean of its divisors is an integer number (3801140).

Almost surely, 2^22790289 is an apocalyptic number.

It is an amenable number.

22790289 is a deficient number, since it is larger than the sum of its proper divisors (7618831).

22790289 is a wasteful number, since it uses less digits than its factorization.

22790289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 22790289 is about 4773.9175736495. The cubic root of 22790289 is about 283.5197240304.

The spelling of 22790289 in words is "twenty-two million, seven hundred ninety thousand, two hundred eighty-nine".