800806122 has 32 divisors (see below), whose sum is σ = 1780531200. Its totient is φ = 266791104.

The previous prime is 800806121. The next prime is 800806187. The reversal of 800806122 is 221608008.

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

It is not an unprimeable number, because it can be changed into a prime (800806121) by changing a digit.

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, 153879 + ... + 158997.

It is an arithmetic number, because the mean of its divisors is an integer number (55641600).

Almost surely, 2^800806122 is an apocalyptic number.

800806122 is an abundant number, since it is smaller than the sum of its proper divisors (979725078).

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

800806122 is a wasteful number, since it uses less digits than its factorization.

800806122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027 (or 8021 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 800806122 is about 28298.5180177337. The cubic root of 800806122 is about 928.6294692895.

The spelling of 800806122 in words is "eight hundred million, eight hundred six thousand, one hundred twenty-two".