2218597120 has 36 divisors (see below), whose sum is σ = 5314236480. Its totient is φ = 887438336.

The previous prime is 2218597103. The next prime is 2218597141. The reversal of 2218597120 is 217958122.

It is a self number, because there is not a number n which added to its sum of digits gives 2218597120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865360 + ... + 867919.

It is an arithmetic number, because the mean of its divisors is an integer number (147617680).

Almost surely, 2^2218597120 is an apocalyptic number.

2218597120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2218597120 is an abundant number, since it is smaller than the sum of its proper divisors (3095639360).

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

2218597120 is an equidigital number, since it uses as much as digits as its factorization.

2218597120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733300 (or 1733286 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 2218597120 is about 47101.9863700035. The cubic root of 2218597120 is about 1304.2459044200.

The spelling of 2218597120 in words is "two billion, two hundred eighteen million, five hundred ninety-seven thousand, one hundred twenty".