28522826 has 4 divisors (see below), whose sum is σ = 42784242. Its totient is φ = 14261412.

The previous prime is 28522817. The next prime is 28522831. The reversal of 28522826 is 62822582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25512601 + 3010225 = 5051^2 + 1735^2 .

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 as a sum of consecutive naturals, namely, 7130705 + ... + 7130708.

Almost surely, 2^28522826 is an apocalyptic number.

28522826 is a deficient number, since it is larger than the sum of its proper divisors (14261416).

28522826 is a wasteful number, since it uses less digits than its factorization.

28522826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14261415.

The product of its digits is 30720, while the sum is 35.

The square root of 28522826 is about 5340.6765489028. The cubic root of 28522826 is about 305.5372632037.

The spelling of 28522826 in words is "twenty-eight million, five hundred twenty-two thousand, eight hundred twenty-six".