2199944316 has 12 divisors (see below), whose sum is σ = 5133203432. Its totient is φ = 733314768.

The previous prime is 2199944311. The next prime is 2199944353. The reversal of 2199944316 is 6134499912.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199944311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91664335 + ... + 91664358.

Almost surely, 2^2199944316 is an apocalyptic number.

It is an amenable number.

2199944316 is an abundant number, since it is smaller than the sum of its proper divisors (2933259116).

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

2199944316 is a wasteful number, since it uses less digits than its factorization.

2199944316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183328700 (or 183328698 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 2199944316 is about 46903.5640010437. The cubic root of 2199944316 is about 1300.5804737082.

The spelling of 2199944316 in words is "two billion, one hundred ninety-nine million, nine hundred forty-four thousand, three hundred sixteen".