28822708 has 12 divisors (see below), whose sum is σ = 50508612. Its totient is φ = 14391680.

The previous prime is 28822693. The next prime is 28822711. The reversal of 28822708 is 80722882.

It can be written as a sum of positive squares in 2 ways, for example, as 23541904 + 5280804 = 4852^2 + 2298^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333 + ... + 7708.

It is an arithmetic number, because the mean of its divisors is an integer number (4209051).

Almost surely, 2^28822708 is an apocalyptic number.

It is an amenable number.

28822708 is a deficient number, since it is larger than the sum of its proper divisors (21685904).

28822708 is a wasteful number, since it uses less digits than its factorization.

28822708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9842 (or 9840 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 28822708 is about 5368.6784221073. The cubic root of 28822708 is about 306.6043136199.

The spelling of 28822708 in words is "twenty-eight million, eight hundred twenty-two thousand, seven hundred eight".