22820828 has 12 divisors (see below), whose sum is σ = 39970392. Its totient is φ = 11400720.

The previous prime is 22820827. The next prime is 22820839. The reversal of 22820828 is 82802822.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22820794 and 22820803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22820827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6626 + ... + 9462.

It is an arithmetic number, because the mean of its divisors is an integer number (3330866).

Almost surely, 2^22820828 is an apocalyptic number.

It is an amenable number.

22820828 is a deficient number, since it is larger than the sum of its proper divisors (17149564).

22820828 is a wasteful number, since it uses less digits than its factorization.

22820828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852 (or 4850 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 22820828 is about 4777.1150289688. The cubic root of 22820828 is about 283.6463063700.

The spelling of 22820828 in words is "twenty-two million, eight hundred twenty thousand, eight hundred twenty-eight".