22089385 has 8 divisors (see below), whose sum is σ = 26534016. Its totient is φ = 17653680.

The previous prime is 22089377. The next prime is 22089437. The reversal of 22089385 is 58398022.

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

It is not a de Polignac number, because 22089385 - 2³ = 22089377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 5950 + ... + 8920.

It is an arithmetic number, because the mean of its divisors is an integer number (3316752).

Almost surely, 2^22089385 is an apocalyptic number.

It is an amenable number.

22089385 is a deficient number, since it is larger than the sum of its proper divisors (4444631).

22089385 is a wasteful number, since it uses less digits than its factorization.

22089385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 22089385 is about 4699.9345740127. The cubic root of 22089385 is about 280.5829055598.

The spelling of 22089385 in words is "twenty-two million, eighty-nine thousand, three hundred eighty-five".