2666285225 has 24 divisors (see below), whose sum is σ = 3367626720. Its totient is φ = 2093512320.

The previous prime is 2666285197. The next prime is 2666285249. The reversal of 2666285225 is 5225826662.

2666285225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2666285225 - 2⁶ = 2666285161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1336829 + ... + 1338821.

It is an arithmetic number, because the mean of its divisors is an integer number (140317780).

Almost surely, 2^2666285225 is an apocalyptic number.

2666285225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2666285225 is a deficient number, since it is larger than the sum of its proper divisors (701341495).

2666285225 is a wasteful number, since it uses less digits than its factorization.

2666285225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2964 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The square root of 2666285225 is about 51636.0845242937. The cubic root of 2666285225 is about 1386.6564263284.

The spelling of 2666285225 in words is "two billion, six hundred sixty-six million, two hundred eighty-five thousand, two hundred twenty-five".