28255282 has 16 divisors (see below), whose sum is σ = 46321632. Its totient is φ = 12819520.

The previous prime is 28255267. The next prime is 28255289.

28255282 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (28255289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17418 + ... + 18970.

It is an arithmetic number, because the mean of its divisors is an integer number (2895102).

Almost surely, 2^28255282 is an apocalyptic number.

28255282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28255282 is a deficient number, since it is larger than the sum of its proper divisors (18066350).

28255282 is a wasteful number, since it uses less digits than its factorization.

28255282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393.

The product of its digits is 25600, while the sum is 34.

The square root of 28255282 is about 5315.5697719059. The cubic root of 28255282 is about 304.5789478058.

The spelling of 28255282 in words is "twenty-eight million, two hundred fifty-five thousand, two hundred eighty-two".