800225646 has 32 divisors (see below), whose sum is σ = 1750560768. Its totient is φ = 241851840.

The previous prime is 800225627. The next prime is 800225651. The reversal of 800225646 is 646522008.

It is a super-2 number, since 2×800225646² = 1280722169032234632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9450 + ... + 41106.

It is an arithmetic number, because the mean of its divisors is an integer number (54705024).

Almost surely, 2^800225646 is an apocalyptic number.

800225646 is an abundant number, since it is smaller than the sum of its proper divisors (950335122).

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

800225646 is a wasteful number, since it uses less digits than its factorization.

800225646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32056.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 800225646 is about 28288.2598616458. The cubic root of 800225646 is about 928.4050381807.

The spelling of 800225646 in words is "eight hundred million, two hundred twenty-five thousand, six hundred forty-six".