2271566625 has 16 divisors (see below), whose sum is σ = 3779887488. Its totient is φ = 1211502000.

The previous prime is 2271566621. The next prime is 2271566651. The reversal of 2271566625 is 5266651722.

It is not a de Polignac number, because 2271566625 - 2² = 2271566621 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2271566621) 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, 3028381 + ... + 3029130.

It is an arithmetic number, because the mean of its divisors is an integer number (236242968).

Almost surely, 2^2271566625 is an apocalyptic number.

2271566625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2271566625 is a deficient number, since it is larger than the sum of its proper divisors (1508320863).

2271566625 is an equidigital number, since it uses as much as digits as its factorization.

2271566625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057529 (or 6057519 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 2271566625 is about 47660.9549316839. The cubic root of 2271566625 is about 1314.5440982985.

The spelling of 2271566625 in words is "two billion, two hundred seventy-one million, five hundred sixty-six thousand, six hundred twenty-five".