2109972224 has 18 divisors (see below), whose sum is σ = 4211702880. Its totient is φ = 1054985984.

The previous prime is 2109972223. The next prime is 2109972259. The reversal of 2109972224 is 4222799012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109972223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4120784 + ... + 4121295.

Almost surely, 2^2109972224 is an apocalyptic number.

It is an amenable number.

2109972224 is a deficient number, since it is larger than the sum of its proper divisors (2101730656).

2109972224 is an frugal number, since it uses more digits than its factorization.

2109972224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8242095 (or 8242081 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2109972224 is about 45934.4339684294. The cubic root of 2109972224 is about 1282.6029842812.

The spelling of 2109972224 in words is "two billion, one hundred nine million, nine hundred seventy-two thousand, two hundred twenty-four".