22356085 has 4 divisors (see below), whose sum is σ = 26827308. Its totient is φ = 17884864.

The previous prime is 22356077. The next prime is 22356097. The reversal of 22356085 is 58065322.

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 3771364 + 18584721 = 1942^2 + 4311^2 .

It is a cyclic number.

It is not a de Polignac number, because 22356085 - 2³ = 22356077 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 2235604 + ... + 2235613.

It is an arithmetic number, because the mean of its divisors is an integer number (6706827).

Almost surely, 2^22356085 is an apocalyptic number.

It is an amenable number.

22356085 is a deficient number, since it is larger than the sum of its proper divisors (4471223).

22356085 is an equidigital number, since it uses as much as digits as its factorization.

22356085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471222.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 22356085 is about 4728.2221817508. Note that the first 3 decimals coincide. The cubic root of 22356085 is about 281.7076132171.

The spelling of 22356085 in words is "twenty-two million, three hundred fifty-six thousand, eighty-five".