22808276 has 12 divisors (see below), whose sum is σ = 39953172. Its totient is φ = 11393088.

The previous prime is 22808273. The next prime is 22808299. The reversal of 22808276 is 67280822.

It can be written as a sum of positive squares in 2 ways, for example, as 11424400 + 11383876 = 3380^2 + 3374^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22808273) by changing a digit.

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, 3416 + ... + 7568.

It is an arithmetic number, because the mean of its divisors is an integer number (3329431).

Almost surely, 2^22808276 is an apocalyptic number.

It is an amenable number.

22808276 is a deficient number, since it is larger than the sum of its proper divisors (17144896).

22808276 is a wasteful number, since it uses less digits than its factorization.

22808276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530 (or 5528 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 22808276 is about 4775.8010846349. The cubic root of 22808276 is about 283.5942927535.

The spelling of 22808276 in words is "twenty-two million, eight hundred eight thousand, two hundred seventy-six".