865894222 has 8 divisors (see below), whose sum is σ = 1298966400. Its totient is φ = 432905424.

The previous prime is 865894219. The next prime is 865894223. The reversal of 865894222 is 222498568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865894223) 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 3 ways as a sum of consecutive naturals, for example, 28179 + ... + 50257.

It is an arithmetic number, because the mean of its divisors is an integer number (162370800).

Almost surely, 2^865894222 is an apocalyptic number.

865894222 is a deficient number, since it is larger than the sum of its proper divisors (433072178).

865894222 is a wasteful number, since it uses less digits than its factorization.

865894222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41690.

The product of its digits is 552960, while the sum is 46.

The square root of 865894222 is about 29426.0806428583. The cubic root of 865894222 is about 953.1361624879.

The spelling of 865894222 in words is "eight hundred sixty-five million, eight hundred ninety-four thousand, two hundred twenty-two".