2272239516 has 96 divisors (see below), whose sum is σ = 5775561792. Its totient is φ = 692469760.

The previous prime is 2272239451. The next prime is 2272239517. The reversal of 2272239516 is 6159322722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272239517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2650960 + ... + 2651816.

It is an arithmetic number, because the mean of its divisors is an integer number (60162102).

Almost surely, 2^2272239516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2272239516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2887780896).

2272239516 is an abundant number, since it is smaller than the sum of its proper divisors (3503322276).

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

2272239516 is a wasteful number, since it uses less digits than its factorization.

2272239516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1237 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 2272239516 is about 47668.0135520665. The cubic root of 2272239516 is about 1314.6738850217.

The spelling of 2272239516 in words is "two billion, two hundred seventy-two million, two hundred thirty-nine thousand, five hundred sixteen".