2219771908992 has 128 divisors (see below), whose sum is σ = 6810664032000. Its totient is φ = 633090007040.

The previous prime is 2219771908973. The next prime is 2219771909011. The reversal of 2219771908992 is 2998091779122.

It is an interprime number because it is at equal distance from previous prime (2219771908973) and next prime (2219771909011).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15384492 + ... + 15528107.

It is an arithmetic number, because the mean of its divisors is an integer number (53208312750).

Almost surely, 2^{2219771908992} is an apocalyptic number.

2219771908992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2219771908992 is an abundant number, since it is smaller than the sum of its proper divisors (4590892123008).

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

2219771908992 is a wasteful number, since it uses less digits than its factorization.

2219771908992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30912644 (or 30912632 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 66.

The spelling of 2219771908992 in words is "two trillion, two hundred nineteen billion, seven hundred seventy-one million, nine hundred eight thousand, nine hundred ninety-two".