2221519984 has 10 divisors (see below), whose sum is σ = 4304195000. Its totient is φ = 1110759984.

The previous prime is 2221519981. The next prime is 2221519987. The reversal of 2221519984 is 4899151222.

It is an interprime number because it is at equal distance from previous prime (2221519981) and next prime (2221519987).

It is a super-2 number, since 2×2221519984² = 9870302078622720512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2221519984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221519981) 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 as a sum of consecutive naturals, namely, 69422484 + ... + 69422515.

It is an arithmetic number, because the mean of its divisors is an integer number (430419500).

Almost surely, 2^2221519984 is an apocalyptic number.

It is an amenable number.

2221519984 is a deficient number, since it is larger than the sum of its proper divisors (2082675016).

2221519984 is a wasteful number, since it uses less digits than its factorization.

2221519984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138845007 (or 138845001 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 2221519984 is about 47133.0031294421. The cubic root of 2221519984 is about 1304.8184074232.

The spelling of 2221519984 in words is "two billion, two hundred twenty-one million, five hundred nineteen thousand, nine hundred eighty-four".