28522082 has 8 divisors (see below), whose sum is σ = 42809052. Its totient is φ = 14252400.

The previous prime is 28522069. The next prime is 28522099. The reversal of 28522082 is 28022582.

It can be written as a sum of positive squares in 2 ways, for example, as 28504921 + 17161 = 5339^2 + 131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28522082² = 1627018323229448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232 + ... + 7652.

Almost surely, 2^28522082 is an apocalyptic number.

28522082 is a deficient number, since it is larger than the sum of its proper divisors (14286970).

28522082 is a wasteful number, since it uses less digits than its factorization.

28522082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8644.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 28522082 is about 5340.6068943520. The cubic root of 28522082 is about 305.5346065980.

Subtracting from 28522082 its reverse (28022582), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 28522082 in words is "twenty-eight million, five hundred twenty-two thousand, eighty-two".