2218014500 has 48 divisors (see below), whose sum is σ = 5216785392. Its totient is φ = 818956800.

The previous prime is 2218014493. The next prime is 2218014527. The reversal of 2218014500 is 54108122.

It can be written as a sum of positive squares in 8 ways, for example, as 1261102144 + 956912356 = 35512^2 + 30934^2 .

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, 164117 + ... + 177116.

It is an arithmetic number, because the mean of its divisors is an integer number (108683029).

Almost surely, 2^2218014500 is an apocalyptic number.

2218014500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2218014500 is an abundant number, since it is smaller than the sum of its proper divisors (2998770892).

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

2218014500 is a wasteful number, since it uses less digits than its factorization.

2218014500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341265 (or 341253 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 2218014500 is about 47095.8012990543. The cubic root of 2218014500 is about 1304.1317262202.

The spelling of 2218014500 in words is "two billion, two hundred eighteen million, fourteen thousand, five hundred".