805868622 has 128 divisors (see below), whose sum is σ = 2096640000. Its totient is φ = 227214720.

The previous prime is 805868611. The next prime is 805868647. The reversal of 805868622 is 226868508.

805868622 is a `hidden beast` number, since 8 + 0 + 586 + 8 + 62 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 412504 + ... + 414452.

It is an arithmetic number, because the mean of its divisors is an integer number (16380000).

Almost surely, 2^805868622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805868622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1048320000).

805868622 is an abundant number, since it is smaller than the sum of its proper divisors (1290771378).

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

805868622 is a wasteful number, since it uses less digits than its factorization.

805868622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2017 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 805868622 is about 28387.8252425225. The cubic root of 805868622 is about 930.5822160792.

The spelling of 805868622 in words is "eight hundred five million, eight hundred sixty-eight thousand, six hundred twenty-two".