2221888992 has 48 divisors (see below), whose sum is σ = 5837069952. Its totient is φ = 740044160.

The previous prime is 2221888979. The next prime is 2221889029. The reversal of 2221888992 is 2998881222.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122767 + ... + 139697.

It is an arithmetic number, because the mean of its divisors is an integer number (121605624).

Almost surely, 2^2221888992 is an apocalyptic number.

It is an amenable number.

2221888992 is an abundant number, since it is smaller than the sum of its proper divisors (3615180960).

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

2221888992 is a wasteful number, since it uses less digits than its factorization.

2221888992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18311 (or 18303 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The square root of 2221888992 is about 47136.9175063453. The cubic root of 2221888992 is about 1304.8906495183.

The spelling of 2221888992 in words is "two billion, two hundred twenty-one million, eight hundred eighty-eight thousand, nine hundred ninety-two".