2221031199 has 4 divisors (see below), whose sum is σ = 2961374936. Its totient is φ = 1480687464.

The previous prime is 2221031191. The next prime is 2221031203. The reversal of 2221031199 is 9911301222.

2221031199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2221031199 - 2³ = 2221031191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221031191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370171864 + ... + 370171869.

It is an arithmetic number, because the mean of its divisors is an integer number (740343734).

Almost surely, 2^2221031199 is an apocalyptic number.

2221031199 is a deficient number, since it is larger than the sum of its proper divisors (740343737).

2221031199 is an equidigital number, since it uses as much as digits as its factorization.

2221031199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740343736.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 2221031199 is about 47127.8176770366. The cubic root of 2221031199 is about 1304.7227038132.

The spelling of 2221031199 in words is "two billion, two hundred twenty-one million, thirty-one thousand, one hundred ninety-nine".