4138856822 has 32 divisors (see below), whose sum is σ = 6638347872. Its totient is φ = 1928577024.

The previous prime is 4138856803. The next prime is 4138856833. The reversal of 4138856822 is 2286588314.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527593 + ... + 1530299.

It is an arithmetic number, because the mean of its divisors is an integer number (207448371).

Almost surely, 2^4138856822 is an apocalyptic number.

4138856822 is a deficient number, since it is larger than the sum of its proper divisors (2499491050).

4138856822 is a wasteful number, since it uses less digits than its factorization.

4138856822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152.

The product of its digits is 737280, while the sum is 47.

The square root of 4138856822 is about 64333.9476637335. The cubic root of 4138856822 is about 1605.5609652636.

The spelling of 4138856822 in words is "four billion, one hundred thirty-eight million, eight hundred fifty-six thousand, eight hundred twenty-two".