22000853 has 6 divisors (see below), whose sum is σ = 25592886. Its totient is φ = 18857832.

The previous prime is 22000819. The next prime is 22000859. The reversal of 22000853 is 35800022.

It can be written as a sum of positive squares in only one way, i.e., 19201924 + 2798929 = 4382^2 + 1673^2 .

It is not a de Polignac number, because 22000853 - 2¹² = 21996757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224450 + ... + 224547.

It is an arithmetic number, because the mean of its divisors is an integer number (4265481).

Almost surely, 2^22000853 is an apocalyptic number.

It is an amenable number.

22000853 is a deficient number, since it is larger than the sum of its proper divisors (3592033).

22000853 is an equidigital number, since it uses as much as digits as its factorization.

22000853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449011 (or 449004 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22000853 is about 4690.5066890476. The cubic root of 22000853 is about 280.2075544423.

Adding to 22000853 its reverse (35800022), we get a palindrome (57800875).

The spelling of 22000853 in words is "twenty-two million, eight hundred fifty-three", and thus it is an aban number.