862159228 has 54 divisors (see below), whose sum is σ = 1791745368. Its totient is φ = 355579920.

The previous prime is 862159213. The next prime is 862159229. The reversal of 862159228 is 822951268.

862159228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (862159229) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4816443 + ... + 4816621.

Almost surely, 2^862159228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 862159228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (895872684).

862159228 is an abundant number, since it is smaller than the sum of its proper divisors (929586140).

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

862159228 is a wasteful number, since it uses less digits than its factorization.

862159228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 219 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 862159228 is about 29362.5480501948. The cubic root of 862159228 is about 951.7637513130.

The spelling of 862159228 in words is "eight hundred sixty-two million, one hundred fifty-nine thousand, two hundred twenty-eight".