3861566222 has 8 divisors (see below), whose sum is σ = 5933626272. Its totient is φ = 1883690800.

The previous prime is 3861566221. The next prime is 3861566257. The reversal of 3861566222 is 2226651683.

It is a happy number.

3861566222 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 Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 3861566222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861566221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23546054 + ... + 23546217.

It is an arithmetic number, because the mean of its divisors is an integer number (741703284).

Almost surely, 2^3861566222 is an apocalyptic number.

3861566222 is a deficient number, since it is larger than the sum of its proper divisors (2072060050).

3861566222 is a wasteful number, since it uses less digits than its factorization.

3861566222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47092314.

The product of its digits is 207360, while the sum is 41.

The square root of 3861566222 is about 62141.5016072190. The cubic root of 3861566222 is about 1568.8731446386.

The spelling of 3861566222 in words is "three billion, eight hundred sixty-one million, five hundred sixty-six thousand, two hundred twenty-two".