22085837 has 4 divisors (see below), whose sum is σ = 22180860. Its totient is φ = 21990816.

The previous prime is 22085827. The next prime is 22085851. The reversal of 22085837 is 73858022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13169641 + 8916196 = 3629^2 + 2986^2 .

It is a cyclic number.

It is not a de Polignac number, because 22085837 - 2⁴ = 22085821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22085797 and 22085806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22085807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47162 + ... + 47627.

It is an arithmetic number, because the mean of its divisors is an integer number (5545215).

Almost surely, 2^22085837 is an apocalyptic number.

It is an amenable number.

22085837 is a deficient number, since it is larger than the sum of its proper divisors (95023).

22085837 is an equidigital number, since it uses as much as digits as its factorization.

22085837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95022.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 22085837 is about 4699.5571067921. The cubic root of 22085837 is about 280.5678823341.

It can be divided in two parts, 22085 and 837, that added together give a palindrome (22922).

The spelling of 22085837 in words is "twenty-two million, eighty-five thousand, eight hundred thirty-seven".