856255722 has 32 divisors (see below), whose sum is σ = 1980744192. Its totient is φ = 241695984.

The previous prime is 856255721. The next prime is 856255723. The reversal of 856255722 is 227552658.

It is a happy number.

856255722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (856255721) and next prime (856255723).

It is a super-2 number, since 2×856255722² = 1466347722915482568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (856255721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119328 + ... + 126299.

It is an arithmetic number, because the mean of its divisors is an integer number (61898256).

Almost surely, 2^856255722 is an apocalyptic number.

856255722 is an abundant number, since it is smaller than the sum of its proper divisors (1124488470).

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

856255722 is a wasteful number, since it uses less digits than its factorization.

856255722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245722.

The product of its digits is 336000, while the sum is 42.

The square root of 856255722 is about 29261.8475493261. The cubic root of 856255722 is about 949.5864208993.

The spelling of 856255722 in words is "eight hundred fifty-six million, two hundred fifty-five thousand, seven hundred twenty-two".