2998427221 has 4 divisors (see below), whose sum is σ = 3156239200. Its totient is φ = 2840615244.

The previous prime is 2998427209. The next prime is 2998427227. The reversal of 2998427221 is 1227248992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2998427221 - 2⁷ = 2998427093 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 (2998427227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78905961 + ... + 78905998.

It is an arithmetic number, because the mean of its divisors is an integer number (789059800).

Almost surely, 2^2998427221 is an apocalyptic number.

It is an amenable number.

2998427221 is a deficient number, since it is larger than the sum of its proper divisors (157811979).

2998427221 is a wasteful number, since it uses less digits than its factorization.

2998427221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157811978.

The product of its digits is 290304, while the sum is 46.

The square root of 2998427221 is about 54757.8964259950. The cubic root of 2998427221 is about 1441.9974884905.

The spelling of 2998427221 in words is "two billion, nine hundred ninety-eight million, four hundred twenty-seven thousand, two hundred twenty-one".