22005274 has 16 divisors (see below), whose sum is σ = 34160616. Its totient is φ = 10624000.

The previous prime is 22005271. The next prime is 22005311. The reversal of 22005274 is 47250022.

It can be written as a sum of positive squares in 4 ways, for example, as 20025625 + 1979649 = 4475^2 + 1407^2 .

It is not an unprimeable number, because it can be changed into a prime (22005271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6954 + ... + 9610.

Almost surely, 2^22005274 is an apocalyptic number.

22005274 is a deficient number, since it is larger than the sum of its proper divisors (12155342).

22005274 is a wasteful number, since it uses less digits than its factorization.

22005274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 22005274 is about 4690.9779364222. The cubic root of 22005274 is about 280.2263221181.

Adding to 22005274 its reverse (47250022), we get a palindrome (69255296).

The spelling of 22005274 in words is "twenty-two million, five thousand, two hundred seventy-four".