24280228 has 12 divisors (see below), whose sum is σ = 48560512. Its totient is φ = 10405800.

The previous prime is 24280181. The next prime is 24280237. The reversal of 24280228 is 82208242.

24280228 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 867151 = 24280228 / (2 + 4 + 2 + 8 + 0 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 24280196 and 24280205.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 433548 + ... + 433603.

Almost surely, 2^24280228 is an apocalyptic number.

24280228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

24280228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

24280228 is a wasteful number, since it uses less digits than its factorization.

24280228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867162 (or 867160 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 24280228 is about 4927.4971334340. The cubic root of 24280228 is about 289.5682358098.

The spelling of 24280228 in words is "twenty-four million, two hundred eighty thousand, two hundred twenty-eight".