22110985 has 8 divisors (see below), whose sum is σ = 28574280. Its totient is φ = 16328064.

The previous prime is 22110961. The next prime is 22110989. The reversal of 22110985 is 58901122.

It can be written as a sum of positive squares in 4 ways, for example, as 1207801 + 20903184 = 1099^2 + 4572^2 .

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 22110985 - 2⁵ = 22110953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22110989) 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, 170020 + ... + 170149.

It is an arithmetic number, because the mean of its divisors is an integer number (3571785).

Almost surely, 2^22110985 is an apocalyptic number.

It is an amenable number.

22110985 is a deficient number, since it is larger than the sum of its proper divisors (6463295).

22110985 is a wasteful number, since it uses less digits than its factorization.

22110985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340187.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 22110985 is about 4702.2319168667. The cubic root of 22110985 is about 280.6743313192.

The spelling of 22110985 in words is "twenty-two million, one hundred ten thousand, nine hundred eighty-five".