22099985 has 8 divisors (see below), whose sum is σ = 26546496. Its totient is φ = 17662320.

The previous prime is 22099967. The next prime is 22099997. The reversal of 22099985 is 58999022.

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

It is not a de Polignac number, because 22099985 - 2¹⁰ = 22098961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6212 + ... + 9098.

It is an arithmetic number, because the mean of its divisors is an integer number (3318312).

Almost surely, 2^22099985 is an apocalyptic number.

It is an amenable number.

22099985 is a deficient number, since it is larger than the sum of its proper divisors (4446511).

22099985 is a wasteful number, since it uses less digits than its factorization.

22099985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 22099985 is about 4701.0621140334. The cubic root of 22099985 is about 280.6277793486.

The spelling of 22099985 in words is "twenty-two million, ninety-nine thousand, nine hundred eighty-five".