2216869983840 has 96 divisors (see below), whose sum is σ = 7001092556640. Its totient is φ = 589645574144.

The previous prime is 2216869983817. The next prime is 2216869983869. The reversal of 2216869983840 is 483899686122.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×2216869983840² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5749629 + ... + 6123068.

It is an arithmetic number, because the mean of its divisors is an integer number (72928047465).

Almost surely, 2^{2216869983840} is an apocalyptic number.

2216869983840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2216869983840 is an abundant number, since it is smaller than the sum of its proper divisors (4784222572800).

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

2216869983840 is a wasteful number, since it uses less digits than its factorization.

2216869983840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11873104 (or 11873096 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 66.

The spelling of 2216869983840 in words is "two trillion, two hundred sixteen billion, eight hundred sixty-nine million, nine hundred eighty-three thousand, eight hundred forty".