28822750 has 64 divisors (see below), whose sum is σ = 60383232. Its totient is φ = 10212000.

The previous prime is 28822733. The next prime is 28822757. The reversal of 28822750 is 5722882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28822757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129139 + ... + 129361.

It is an arithmetic number, because the mean of its divisors is an integer number (943488).

Almost surely, 2^28822750 is an apocalyptic number.

28822750 is an abundant number, since it is smaller than the sum of its proper divisors (31560482).

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

28822750 is a wasteful number, since it uses less digits than its factorization.

28822750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 28822750 is about 5368.6823336830. The cubic root of 28822750 is about 306.6044625462.

The spelling of 28822750 in words is "twenty-eight million, eight hundred twenty-two thousand, seven hundred fifty".