28822650 has 96 divisors (see below), whose sum is σ = 77137920. Its totient is φ = 7096320.

The previous prime is 28822649. The next prime is 28822669. The reversal of 28822650 is 5622882.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226887 + ... + 227013.

It is an arithmetic number, because the mean of its divisors is an integer number (803520).

Almost surely, 2^28822650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28822650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38568960).

28822650 is an abundant number, since it is smaller than the sum of its proper divisors (48315270).

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

28822650 is a wasteful number, since it uses less digits than its factorization.

28822650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 28822650 is about 5368.6730204027. The cubic root of 28822650 is about 306.6041079596.

The spelling of 28822650 in words is "twenty-eight million, eight hundred twenty-two thousand, six hundred fifty".