805221896 has 16 divisors (see below), whose sum is σ = 1518834240. Its totient is φ = 400199440.

The previous prime is 805221889. The next prime is 805221943. The reversal of 805221896 is 698122508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300020 + ... + 302691.

It is an arithmetic number, because the mean of its divisors is an integer number (94927140).

Almost surely, 2^805221896 is an apocalyptic number.

It is an amenable number.

805221896 is a deficient number, since it is larger than the sum of its proper divisors (713612344).

805221896 is a wasteful number, since it uses less digits than its factorization.

805221896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602884 (or 602880 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 805221896 is about 28376.4320519688. The cubic root of 805221896 is about 930.3332123898. Note that the first 3 decimals are identical.

The spelling of 805221896 in words is "eight hundred five million, two hundred twenty-one thousand, eight hundred ninety-six".