28255023822 has 32 divisors (see below), whose sum is σ = 57330305280. Its totient is φ = 9281744640.

The previous prime is 28255023803. The next prime is 28255023827. The reversal of 28255023822 is 22832055282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28255023827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1091829 + ... + 1117407.

It is an arithmetic number, because the mean of its divisors is an integer number (1791572040).

Almost surely, 2^28255023822 is an apocalyptic number.

28255023822 is an abundant number, since it is smaller than the sum of its proper divisors (29075281458).

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

28255023822 is a wasteful number, since it uses less digits than its factorization.

28255023822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28248.

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 28255023822 in words is "twenty-eight billion, two hundred fifty-five million, twenty-three thousand, eight hundred twenty-two".