2319212226816 has 81 divisors (see below), whose sum is σ = 6687071369251. Its totient is φ = 773046375936.

The previous prime is 2319212226769. The next prime is 2319212226817. The reversal of 2319212226816 is 6186222129132.

The square root of 2319212226816 is 1522896.

It is a perfect power (a square), and thus also a powerful number.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2319212226817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 73083145 + ... + 73114871.

Almost surely, 2^{2319212226816} is an apocalyptic number.

2319212226816 is the 1522896-th square number.

It is an amenable number.

2319212226816 is an abundant number, since it is smaller than the sum of its proper divisors (4367859142435).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2319212226816 is an frugal number, since it uses more digits than its factorization.

2319212226816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63476 (or 31732 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The spelling of 2319212226816 in words is "two trillion, three hundred nineteen billion, two hundred twelve million, two hundred twenty-six thousand, eight hundred sixteen".