2219422665312 has 192 divisors, whose sum is σ = 6494874140160. Its totient is φ = 737348009472.

The previous prime is 2219422665307. The next prime is 2219422665323. The reversal of 2219422665312 is 2135662249122.

2219422665312 is a `hidden beast` number, since 2 + 2 + 1 + 94 + 2 + 26 + 6 + 531 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 370703983 + ... + 370709969.

It is an arithmetic number, because the mean of its divisors is an integer number (33827469480).

Almost surely, 2^{2219422665312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2219422665312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3247437070080).

2219422665312 is an abundant number, since it is smaller than the sum of its proper divisors (4275451474848).

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

2219422665312 is a wasteful number, since it uses less digits than its factorization.

2219422665312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7362 (or 7348 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 2219422665312 in words is "two trillion, two hundred nineteen billion, four hundred twenty-two million, six hundred sixty-five thousand, three hundred twelve".