4422001218 has 32 divisors (see below), whose sum is σ = 8914142016. Its totient is φ = 1462357248.

The previous prime is 4422001217. The next prime is 4422001219. The reversal of 4422001218 is 8121002244.

It is an interprime number because it is at equal distance from previous prime (4422001217) and next prime (4422001219).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4422001211) 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, 390046 + ... + 401222.

It is an arithmetic number, because the mean of its divisors is an integer number (278566938).

Almost surely, 2^4422001218 is an apocalyptic number.

4422001218 is an abundant number, since it is smaller than the sum of its proper divisors (4492140798).

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

4422001218 is a wasteful number, since it uses less digits than its factorization.

4422001218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11698.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 4422001218 is about 66498.1294323382. The cubic root of 4422001218 is about 1641.3692236204.

The spelling of 4422001218 in words is "four billion, four hundred twenty-two million, one thousand, two hundred eighteen".