28882268 has 12 divisors (see below), whose sum is σ = 50687280. Its totient is φ = 14400192.

The previous prime is 28882267. The next prime is 28882277. The reversal of 28882268 is 86228882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28882267) 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, 8621 + ... + 11492.

It is an arithmetic number, because the mean of its divisors is an integer number (4223940).

Almost surely, 2^28882268 is an apocalyptic number.

It is an amenable number.

28882268 is a deficient number, since it is larger than the sum of its proper divisors (21805012).

28882268 is a wasteful number, since it uses less digits than its factorization.

28882268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20476 (or 20474 counting only the distinct ones).

The product of its digits is 196608, while the sum is 44.

The square root of 28882268 is about 5374.2225484250. Note that the first 3 decimals coincide. The cubic root of 28882268 is about 306.8153600485.

The spelling of 28882268 in words is "twenty-eight million, eight hundred eighty-two thousand, two hundred sixty-eight".