28234822 has 16 divisors (see below), whose sum is σ = 52803072. Its totient is φ = 11000520.

The previous prime is 28234819. The next prime is 28234859. The reversal of 28234822 is 22843282.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 91518 + ... + 91825.

It is an arithmetic number, because the mean of its divisors is an integer number (3300192).

Almost surely, 2^28234822 is an apocalyptic number.

28234822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28234822 is a deficient number, since it is larger than the sum of its proper divisors (24568250).

28234822 is a wasteful number, since it uses less digits than its factorization.

28234822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183363.

The product of its digits is 12288, while the sum is 31.

The square root of 28234822 is about 5313.6448883982. The cubic root of 28234822 is about 304.5054135899.

The spelling of 28234822 in words is "twenty-eight million, two hundred thirty-four thousand, eight hundred twenty-two".