22840036 has 12 divisors (see below), whose sum is σ = 40058928. Its totient is φ = 11394632.

The previous prime is 22840031. The next prime is 22840043. The reversal of 22840036 is 63004822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22840031) 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, 4246 + ... + 7981.

It is an arithmetic number, because the mean of its divisors is an integer number (3338244).

Almost surely, 2^22840036 is an apocalyptic number.

It is an amenable number.

22840036 is a deficient number, since it is larger than the sum of its proper divisors (17218892).

22840036 is a wasteful number, since it uses less digits than its factorization.

22840036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12698 (or 12696 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22840036 is about 4779.1250245207. The cubic root of 22840036 is about 283.7258645465.

Adding to 22840036 its reverse (63004822), we get a palindrome (85844858).

The spelling of 22840036 in words is "twenty-two million, eight hundred forty thousand, thirty-six".