2272965136 has 80 divisors (see below), whose sum is σ = 5153559040. Its totient is φ = 961735680.

The previous prime is 2272965031. The next prime is 2272965143. The reversal of 2272965136 is 6315692722.

It is a junction number, because it is equal to n+sod(n) for n = 2272965092 and 2272965101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113236 + ... + 131788.

It is an arithmetic number, because the mean of its divisors is an integer number (64419488).

Almost surely, 2^2272965136 is an apocalyptic number.

2272965136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2272965136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2576779520).

2272965136 is an abundant number, since it is smaller than the sum of its proper divisors (2880593904).

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

2272965136 is a wasteful number, since it uses less digits than its factorization.

2272965136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18624 (or 18618 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 2272965136 is about 47675.6241280594. The cubic root of 2272965136 is about 1314.8138133656.

The spelling of 2272965136 in words is "two billion, two hundred seventy-two million, nine hundred sixty-five thousand, one hundred thirty-six".