2199418272 has 72 divisors (see below), whose sum is σ = 6486270336. Its totient is φ = 733136832.

The previous prime is 2199418229. The next prime is 2199418307. The reversal of 2199418272 is 2728149912.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133648 + ... + 149199.

It is an arithmetic number, because the mean of its divisors is an integer number (90087088).

Almost surely, 2^2199418272 is an apocalyptic number.

It is an amenable number.

2199418272 is an abundant number, since it is smaller than the sum of its proper divisors (4286852064).

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

2199418272 is an equidigital number, since it uses as much as digits as its factorization.

2199418272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282872 (or 282852 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 2199418272 is about 46897.9559469280. The cubic root of 2199418272 is about 1300.4768018275.

The spelling of 2199418272 in words is "two billion, one hundred ninety-nine million, four hundred eighteen thousand, two hundred seventy-two".