2272161912 has 16 divisors (see below), whose sum is σ = 5680404840. Its totient is φ = 757387296.

The previous prime is 2272161907. The next prime is 2272162001. The reversal of 2272161912 is 2191612722.

2272161912 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 47336683 + ... + 47336730.

Almost surely, 2^2272161912 is an apocalyptic number.

It is an amenable number.

2272161912 is an abundant number, since it is smaller than the sum of its proper divisors (3408242928).

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

2272161912 is a wasteful number, since it uses less digits than its factorization.

2272161912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94673422 (or 94673418 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 2272161912 is about 47667.1995401450. The cubic root of 2272161912 is about 1314.6589181263.

The spelling of 2272161912 in words is "two billion, two hundred seventy-two million, one hundred sixty-one thousand, nine hundred twelve".