22807056 has 20 divisors (see below), whose sum is σ = 58918352. Its totient is φ = 7602336.

The previous prime is 22807039. The next prime is 22807069. The reversal of 22807056 is 65070822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237526 + ... + 237621.

Almost surely, 2^22807056 is an apocalyptic number.

It is an amenable number.

22807056 is an abundant number, since it is smaller than the sum of its proper divisors (36111296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22807056 is a wasteful number, since it uses less digits than its factorization.

22807056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475158 (or 475152 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 22807056 is about 4775.6733556641. The cubic root of 22807056 is about 283.5892362379.

Adding to 22807056 its reverse (65070822), we get a palindrome (87877878).

The spelling of 22807056 in words is "twenty-two million, eight hundred seven thousand, fifty-six".