2219911712 has 18 divisors (see below), whose sum is σ = 4370975973. Its totient is φ = 1109822592.

The previous prime is 2219911699. The next prime is 2219911741. The reversal of 2219911712 is 2171199122.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1839037456 + 380874256 = 42884^2 + 19516^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33316.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 262364 + ... + 270692.

Almost surely, 2^2219911712 is an apocalyptic number.

It is an amenable number.

2219911712 is a deficient number, since it is larger than the sum of its proper divisors (2151064261).

2219911712 is an frugal number, since it uses more digits than its factorization.

2219911712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16668 (or 8331 counting only the distinct ones).

The product of its digits is 4536, while the sum is 35.

The square root of 2219911712 is about 47115.9390440220. The cubic root of 2219911712 is about 1304.5034564687.

The spelling of 2219911712 in words is "two billion, two hundred nineteen million, nine hundred eleven thousand, seven hundred twelve".