22528283 has 2 divisors, whose sum is σ = 22528284. Its totient is φ = 22528282.

The previous prime is 22528277. The next prime is 22528309. The reversal of 22528283 is 38282522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22528283 - 2⁸ = 22528027 is a prime.

It is not a weakly prime, because it can be changed into another prime (22528483) by changing a digit.

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, 11264141 + 11264142.

It is an arithmetic number, because the mean of its divisors is an integer number (11264142).

Almost surely, 2^22528283 is an apocalyptic number.

22528283 is a deficient number, since it is larger than the sum of its proper divisors (1).

22528283 is an equidigital number, since it uses as much as digits as its factorization.

22528283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 32.

The square root of 22528283 is about 4746.3968439228. The cubic root of 22528283 is about 282.4290494544.

The spelling of 22528283 in words is "twenty-two million, five hundred twenty-eight thousand, two hundred eighty-three".