2221244032 has 128 divisors (see below), whose sum is σ = 5187018240. Its totient is φ = 927894528.

The previous prime is 2221243993. The next prime is 2221244033. The reversal of 2221244032 is 2304421222.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 2221243994 and 2221244012.

It is not an unprimeable number, because it can be changed into a prime (2221244033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9785103 + ... + 9785329.

It is an arithmetic number, because the mean of its divisors is an integer number (40523580).

Almost surely, 2^2221244032 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 2221244032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2593509120).

2221244032 is an abundant number, since it is smaller than the sum of its proper divisors (2965774208).

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

2221244032 is a wasteful number, since it uses less digits than its factorization.

2221244032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2221244032 is about 47130.0756629989. The cubic root of 2221244032 is about 1304.7643780256.

Adding to 2221244032 its reverse (2304421222), we get a palindrome (4525665254).

The spelling of 2221244032 in words is "two billion, two hundred twenty-one million, two hundred forty-four thousand, thirty-two".