4221197799 has 32 divisors (see below), whose sum is σ = 7114329600. Its totient is φ = 2166383232.

The previous prime is 4221197779. The next prime is 4221197803. The reversal of 4221197799 is 9977911224.

It is a happy number.

It is not a de Polignac number, because 4221197799 - 2⁸ = 4221197543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221197779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198849 + ... + 219050.

It is an arithmetic number, because the mean of its divisors is an integer number (222322800).

Almost surely, 2^4221197799 is an apocalyptic number.

4221197799 is a deficient number, since it is larger than the sum of its proper divisors (2893131801).

4221197799 is a wasteful number, since it uses less digits than its factorization.

4221197799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417959.

The product of its digits is 571536, while the sum is 51.

The square root of 4221197799 is about 64970.7457168224. The cubic root of 4221197799 is about 1616.1384680991.

The spelling of 4221197799 in words is "four billion, two hundred twenty-one million, one hundred ninety-seven thousand, seven hundred ninety-nine".