800025822 has 80 divisors (see below), whose sum is σ = 1844156160. Its totient is φ = 259101072.

The previous prime is 800025791. The next prime is 800025829. The reversal of 800025822 is 228520008.

800025822 is a `hidden beast` number, since 80 + 0 + 0 + 2 + 582 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800025829) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1362613 + ... + 1363199.

It is an arithmetic number, because the mean of its divisors is an integer number (23051952).

Almost surely, 2^800025822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800025822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922078080).

800025822 is an abundant number, since it is smaller than the sum of its proper divisors (1044130338).

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

800025822 is a wasteful number, since it uses less digits than its factorization.

800025822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 800025822 is about 28284.7277165611. The cubic root of 800025822 is about 928.3277545407.

The spelling of 800025822 in words is "eight hundred million, twenty-five thousand, eight hundred twenty-two".