2271707776 has 128 divisors (see below), whose sum is σ = 5143541760. Its totient is φ = 992010240.

The previous prime is 2271707749. The next prime is 2271707777. The reversal of 2271707776 is 6777071722.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (2271707777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2423980 + ... + 2424916.

It is an arithmetic number, because the mean of its divisors is an integer number (40183920).

Almost surely, 2^2271707776 is an apocalyptic number.

2271707776 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 2271707776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2571770880).

2271707776 is an abundant number, since it is smaller than the sum of its proper divisors (2871833984).

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

2271707776 is a wasteful number, since it uses less digits than its factorization.

2271707776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 403368, while the sum is 46.

The square root of 2271707776 is about 47662.4356910135. The cubic root of 2271707776 is about 1314.5713255241.

The spelling of 2271707776 in words is "two billion, two hundred seventy-one million, seven hundred seven thousand, seven hundred seventy-six".