2166223231219 has 8 divisors (see below), whose sum is σ = 2248593592320. Its totient is φ = 2084633632200.

The previous prime is 2166223231217. The next prime is 2166223231231. The reversal of 2166223231219 is 9121323226612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2166223231219 - 2¹ = 2166223231217 is a prime.

It is a super-2 number, since 2×2166223231219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2166223231217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195184867 + ... + 195195964.

It is an arithmetic number, because the mean of its divisors is an integer number (281074199040).

Almost surely, 2^{2166223231219} is an apocalyptic number.

2166223231219 is a deficient number, since it is larger than the sum of its proper divisors (82370361101).

2166223231219 is a wasteful number, since it uses less digits than its factorization.

2166223231219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390381041.

The product of its digits is 93312, while the sum is 40.

The spelling of 2166223231219 in words is "two trillion, one hundred sixty-six billion, two hundred twenty-three million, two hundred thirty-one thousand, two hundred nineteen".