2271272740 has 24 divisors (see below), whose sum is σ = 5203279872. Its totient is φ = 825917280.

The previous prime is 2271272737. The next prime is 2271272741. The reversal of 2271272740 is 472721722.

It is a junction number, because it is equal to n+sod(n) for n = 2271272696 and 2271272705.

It is not an unprimeable number, because it can be changed into a prime (2271272741) 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, 5161764 + ... + 5162203.

It is an arithmetic number, because the mean of its divisors is an integer number (216803328).

Almost surely, 2^2271272740 is an apocalyptic number.

2271272740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2271272740 is an abundant number, since it is smaller than the sum of its proper divisors (2932007132).

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

2271272740 is a wasteful number, since it uses less digits than its factorization.

2271272740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10323987 (or 10323985 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 2271272740 is about 47657.8717527336. The cubic root of 2271272740 is about 1314.4874059334.

The spelling of 2271272740 in words is "two billion, two hundred seventy-one million, two hundred seventy-two thousand, seven hundred forty".