4122112218 has 32 divisors (see below), whose sum is σ = 9436331520. Its totient is φ = 1175951280.

The previous prime is 4122112217. The next prime is 4122112237. The reversal of 4122112218 is 8122112214.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4122112217) 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, 46788 + ... + 102143.

It is an arithmetic number, because the mean of its divisors is an integer number (294885360).

Almost surely, 2^4122112218 is an apocalyptic number.

4122112218 is an abundant number, since it is smaller than the sum of its proper divisors (5314219302).

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

4122112218 is a wasteful number, since it uses less digits than its factorization.

4122112218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149602.

The product of its digits is 512, while the sum is 24.

The square root of 4122112218 is about 64203.6776049472. The cubic root of 4122112218 is about 1603.3928287457.

The spelling of 4122112218 in words is "four billion, one hundred twenty-two million, one hundred twelve thousand, two hundred eighteen".