22842828 has 18 divisors (see below), whose sum is σ = 57741684. Its totient is φ = 7614264.

The previous prime is 22842823. The next prime is 22842839. The reversal of 22842828 is 82824822.

22842828 is a `hidden beast` number, since 228 + 428 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 634523 = 22842828 / (2 + 2 + 8 + 4 + 2 + 8 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 22842792 and 22842801.

It is not an unprimeable number, because it can be changed into a prime (22842823) 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 5 ways as a sum of consecutive naturals, for example, 317226 + ... + 317297.

Almost surely, 2^22842828 is an apocalyptic number.

It is an amenable number.

22842828 is an abundant number, since it is smaller than the sum of its proper divisors (34898856).

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

22842828 is a wasteful number, since it uses less digits than its factorization.

22842828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634533 (or 634528 counting only the distinct ones).

The product of its digits is 32768, while the sum is 36.

The square root of 22842828 is about 4779.4171192730. The cubic root of 22842828 is about 283.7374250995.

The spelling of 22842828 in words is "twenty-two million, eight hundred forty-two thousand, eight hundred twenty-eight".