28836822 has 32 divisors (see below), whose sum is σ = 66528000. Its totient is φ = 8162208.

The previous prime is 28836793. The next prime is 28836833. The reversal of 28836822 is 22863882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1429 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (2079000).

Almost surely, 2^28836822 is an apocalyptic number.

28836822 is an abundant number, since it is smaller than the sum of its proper divisors (37691178).

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

28836822 is a wasteful number, since it uses less digits than its factorization.

28836822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420.

The product of its digits is 73728, while the sum is 39.

The square root of 28836822 is about 5369.9927374253. The cubic root of 28836822 is about 306.6543517949.

The spelling of 28836822 in words is "twenty-eight million, eight hundred thirty-six thousand, eight hundred twenty-two".