2272439518 has 8 divisors (see below), whose sum is σ = 3412611648. Its totient is φ = 1134902304.

The previous prime is 2272439497. The next prime is 2272439549. The reversal of 2272439518 is 8159342722.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 656571 + ... + 660022.

It is an arithmetic number, because the mean of its divisors is an integer number (426576456).

Almost surely, 2^2272439518 is an apocalyptic number.

2272439518 is a deficient number, since it is larger than the sum of its proper divisors (1140172130).

2272439518 is a wasteful number, since it uses less digits than its factorization.

2272439518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317458.

The product of its digits is 241920, while the sum is 43.

The square root of 2272439518 is about 47670.1113697042. Note that the first 3 decimals coincide. The cubic root of 2272439518 is about 1314.7124563211.

The spelling of 2272439518 in words is "two billion, two hundred seventy-two million, four hundred thirty-nine thousand, five hundred eighteen".