2221993084 has 12 divisors (see below), whose sum is σ = 3888819144. Its totient is φ = 1110901904.

The previous prime is 2221993063. The next prime is 2221993091. The reversal of 2221993084 is 4803991222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73482 + ... + 99214.

It is an arithmetic number, because the mean of its divisors is an integer number (324068262).

Almost surely, 2^2221993084 is an apocalyptic number.

It is an amenable number.

2221993084 is a deficient number, since it is larger than the sum of its proper divisors (1666826060).

2221993084 is a wasteful number, since it uses less digits than its factorization.

2221993084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47324 (or 47322 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2221993084 is about 47138.0216385881. The cubic root of 2221993084 is about 1304.9110265574.

The spelling of 2221993084 in words is "two billion, two hundred twenty-one million, nine hundred ninety-three thousand, eighty-four".