2221596000 has 576 divisors, whose sum is σ = 8757455616. Its totient is φ = 529920000.

The previous prime is 2221595993. The next prime is 2221596031. The reversal of 2221596000 is 6951222.

2221596000 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 59 + 600 + 0 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21995950 + ... + 21996050.

It is an arithmetic number, because the mean of its divisors is an integer number (15203916).

Almost surely, 2^2221596000 is an apocalyptic number.

2221596000 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 2221596000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4378727808).

2221596000 is an abundant number, since it is smaller than the sum of its proper divisors (6535859616).

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

2221596000 is a wasteful number, since it uses less digits than its factorization.

2221596000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2221596000 is about 47133.8095214041. The cubic root of 2221596000 is about 1304.8332900179.

The spelling of 2221596000 in words is "two billion, two hundred twenty-one million, five hundred ninety-six thousand".