2221964595199 has 4 divisors (see below), whose sum is σ = 2318571751536. Its totient is φ = 2125357438864.

The previous prime is 2221964595181. The next prime is 2221964595217. The reversal of 2221964595199 is 9915954691222.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2221964595181) and next prime (2221964595217).

It is not a de Polignac number, because 2221964595199 - 2¹⁵ = 2221964562431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221964595199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221964595299) 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, 48303578134 + ... + 48303578179.

It is an arithmetic number, because the mean of its divisors is an integer number (579642937884).

Almost surely, 2^{2221964595199} is an apocalyptic number.

2221964595199 is a deficient number, since it is larger than the sum of its proper divisors (96607156337).

2221964595199 is an equidigital number, since it uses as much as digits as its factorization.

2221964595199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96607156336.

The product of its digits is 31492800, while the sum is 64.

The spelling of 2221964595199 in words is "two trillion, two hundred twenty-one billion, nine hundred sixty-four million, five hundred ninety-five thousand, one hundred ninety-nine".