2221599744 has 352 divisors, whose sum is σ = 8106775040. Its totient is φ = 585252864.

The previous prime is 2221599733. The next prime is 2221599767. The reversal of 2221599744 is 4479951222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221599744.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2515527 + ... + 2516409.

Almost surely, 2^2221599744 is an apocalyptic number.

2221599744 is a gapful number since it is divisible by the number (24) 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 2221599744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4053387520).

2221599744 is an abundant number, since it is smaller than the sum of its proper divisors (5885175296).

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

2221599744 is a wasteful number, since it uses less digits than its factorization.

2221599744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 908 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 2221599744 is about 47133.8492381006. The cubic root of 2221599744 is about 1304.8340230184.

The spelling of 2221599744 in words is "two billion, two hundred twenty-one million, five hundred ninety-nine thousand, seven hundred forty-four".