2199797604 has 27 divisors (see below), whose sum is σ = 5561310937. Its totient is φ = 733172064.

The previous prime is 2199797597. The next prime is 2199797609. The reversal of 2199797604 is 4067979912.

The square root of 2199797604 is 46902.

It is a perfect power (a square), and thus also a powerful number.

2199797604 is a `hidden beast` number, since 21 + 9 + 9 + 7 + 9 + 7 + 604 = 666.

2199797604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5062500 + 2194735104 = 2250^2 + 46848^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2199797609) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 277504 + ... + 285320.

Almost surely, 2^2199797604 is an apocalyptic number.

2199797604 is the 46902-nd square number.

It is an amenable number.

2199797604 is an abundant number, since it is smaller than the sum of its proper divisors (3361513333).

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

2199797604 is an frugal number, since it uses more digits than its factorization.

2199797604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15644 (or 7822 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The cubic root of 2199797604 is about 1300.5515616121.

The spelling of 2199797604 in words is "two billion, one hundred ninety-nine million, seven hundred ninety-seven thousand, six hundred four".