856222541 has 8 divisors (see below), whose sum is σ = 893742720. Its totient is φ = 818726832.

The previous prime is 856222531. The next prime is 856222553. The reversal of 856222541 is 145222658.

856222541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-856222541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856222531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131816 + ... + 138158.

It is an arithmetic number, because the mean of its divisors is an integer number (111717840).

Almost surely, 2^856222541 is an apocalyptic number.

It is an amenable number.

856222541 is a deficient number, since it is larger than the sum of its proper divisors (37520179).

856222541 is a wasteful number, since it uses less digits than its factorization.

856222541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12235.

The product of its digits is 38400, while the sum is 35.

The square root of 856222541 is about 29261.2805768989. The cubic root of 856222541 is about 949.5741548464.

The spelling of 856222541 in words is "eight hundred fifty-six million, two hundred twenty-two thousand, five hundred forty-one".