28822032 has 30 divisors (see below), whose sum is σ = 80662062. Its totient is φ = 9607296.

The previous prime is 28822019. The next prime is 28822037. The reversal of 28822032 is 23022882.

It can be written as a sum of positive squares in only one way, i.e., 24561936 + 4260096 = 4956^2 + 2064^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28821987 and 28822005.

It is not an unprimeable number, because it can be changed into a prime (28822037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99933 + ... + 100220.

Almost surely, 2^28822032 is an apocalyptic number.

It is an amenable number.

28822032 is an abundant number, since it is smaller than the sum of its proper divisors (51840030).

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

28822032 is a wasteful number, since it uses less digits than its factorization.

28822032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200167 (or 200158 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 28822032 is about 5368.6154639721. The cubic root of 28822032 is about 306.6019165963.

The spelling of 28822032 in words is "twenty-eight million, eight hundred twenty-two thousand, thirty-two".