2265643105 has 16 divisors (see below), whose sum is σ = 2994735744. Its totient is φ = 1631738880.

The previous prime is 2265643103. The next prime is 2265643181. The reversal of 2265643105 is 5013465622.

It is not a de Polignac number, because 2265643105 - 2¹ = 2265643103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2265643103) 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, 194304 + ... + 205633.

It is an arithmetic number, because the mean of its divisors is an integer number (187170984).

Almost surely, 2^2265643105 is an apocalyptic number.

It is an amenable number.

2265643105 is a deficient number, since it is larger than the sum of its proper divisors (729092639).

2265643105 is a wasteful number, since it uses less digits than its factorization.

2265643105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400056.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2265643105 is about 47598.7720955068. The cubic root of 2265643105 is about 1313.4004666411.

The spelling of 2265643105 in words is "two billion, two hundred sixty-five million, six hundred forty-three thousand, one hundred five".