2221159594752 has 324 divisors, whose sum is σ = 7725652703496. Its totient is φ = 634616156160.

The previous prime is 2221159594741. The next prime is 2221159594769. The reversal of 2221159594752 is 2574959511222.

It is a happy number.

2221159594752 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 1 + 595 + 9 + 47 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (324).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2683852 + ... + 3412532.

Almost surely, 2^{2221159594752} 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 2221159594752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3862826351748).

2221159594752 is an abundant number, since it is smaller than the sum of its proper divisors (5504493108744).

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

2221159594752 is an frugal number, since it uses more digits than its factorization.

2221159594752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728726 (or 728693 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 54.

The spelling of 2221159594752 in words is "two trillion, two hundred twenty-one billion, one hundred fifty-nine million, five hundred ninety-four thousand, seven hundred fifty-two".