2221707968 has 56 divisors (see below), whose sum is σ = 4689482112. Its totient is φ = 1040707584.

The previous prime is 2221707967. The next prime is 2221708003. The reversal of 2221707968 is 8697071222.

It is not an unprimeable number, because it can be changed into a prime (2221707967) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 238046 + ... + 247202.

It is an arithmetic number, because the mean of its divisors is an integer number (83740752).

Almost surely, 2^2221707968 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 2221707968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2344741056).

2221707968 is an abundant number, since it is smaller than the sum of its proper divisors (2467774144).

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

2221707968 is a wasteful number, since it uses less digits than its factorization.

2221707968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9409 (or 9399 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 2221707968 is about 47134.9972737880. The cubic root of 2221707968 is about 1304.8552107631.

The spelling of 2221707968 in words is "two billion, two hundred twenty-one million, seven hundred seven thousand, nine hundred sixty-eight".