2272731512 has 32 divisors (see below), whose sum is σ = 4606899600. Its totient is φ = 1047458304.

The previous prime is 2272731511. The next prime is 2272731521. The reversal of 2272731512 is 2151372722.

2272731512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2272731512² = 10330617051275612288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272731511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196433 + ... + 207680.

Almost surely, 2^2272731512 is an apocalyptic number.

It is an amenable number.

2272731512 is an abundant number, since it is smaller than the sum of its proper divisors (2334168088).

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

2272731512 is a wasteful number, since it uses less digits than its factorization.

2272731512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404175 (or 404171 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 2272731512 is about 47673.1739241263. The cubic root of 2272731512 is about 1314.7687646343.

The spelling of 2272731512 in words is "two billion, two hundred seventy-two million, seven hundred thirty-one thousand, five hundred twelve".