2272513218 has 24 divisors (see below), whose sum is σ = 4696381584. Its totient is φ = 733066920.

The previous prime is 2272513211. The next prime is 2272513219. The reversal of 2272513218 is 8123152722.

2272513218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2272513211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191296 + ... + 202827.

It is an arithmetic number, because the mean of its divisors is an integer number (195682566).

Almost surely, 2^2272513218 is an apocalyptic number.

2272513218 is an abundant number, since it is smaller than the sum of its proper divisors (2423868366).

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

2272513218 is a wasteful number, since it uses less digits than its factorization.

2272513218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394190 (or 394159 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 2272513218 is about 47670.8843844962. The cubic root of 2272513218 is about 1314.7266691322.

The spelling of 2272513218 in words is "two billion, two hundred seventy-two million, five hundred thirteen thousand, two hundred eighteen".