2216787722240 has 720 divisors, whose sum is σ = 6958314139392. Its totient is φ = 670710104064.

The previous prime is 2216787722179. The next prime is 2216787722287. The reversal of 2216787722240 is 422277876122.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1200208997 + ... + 1200210843.

Almost surely, 2^{2216787722240} is an apocalyptic number.

2216787722240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2216787722240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3479157069696).

2216787722240 is an abundant number, since it is smaller than the sum of its proper divisors (4741526417152).

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

2216787722240 is a wasteful number, since it uses less digits than its factorization.

2216787722240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 1897 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 50.

The spelling of 2216787722240 in words is "two trillion, two hundred sixteen billion, seven hundred eighty-seven million, seven hundred twenty-two thousand, two hundred forty".