4181217822 has 12 divisors (see below), whose sum is σ = 9059305320. Its totient is φ = 1393739268.

The previous prime is 4181217811. The next prime is 4181217827. The reversal of 4181217822 is 2287121814.

It is a happy number.

4181217822 is a `hidden beast` number, since 418 + 1 + 217 + 8 + 22 = 666.

4181217822 is digitally balanced in base 2 and base 4, because in such bases 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 (4181217827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116144922 + ... + 116144957.

It is an arithmetic number, because the mean of its divisors is an integer number (754942110).

Almost surely, 2^4181217822 is an apocalyptic number.

4181217822 is an abundant number, since it is smaller than the sum of its proper divisors (4878087498).

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

4181217822 is a wasteful number, since it uses less digits than its factorization.

4181217822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232289887 (or 232289884 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 4181217822 is about 64662.3369667382. The cubic root of 4181217822 is about 1611.0199961222.

The spelling of 4181217822 in words is "four billion, one hundred eighty-one million, two hundred seventeen thousand, eight hundred twenty-two".