2245666899 has 16 divisors (see below), whose sum is σ = 3424792320. Its totient is φ = 1282179360.

The previous prime is 2245666897. The next prime is 2245666919. The reversal of 2245666899 is 9986665422.

It is a happy number.

It is not a de Polignac number, because 2245666899 - 2¹ = 2245666897 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2245666897) 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, 17697 + ... + 69314.

It is an arithmetic number, because the mean of its divisors is an integer number (214049520).

Almost surely, 2^2245666899 is an apocalyptic number.

2245666899 is a deficient number, since it is larger than the sum of its proper divisors (1179125421).

2245666899 is a wasteful number, since it uses less digits than its factorization.

2245666899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88250.

The product of its digits is 11197440, while the sum is 57.

The square root of 2245666899 is about 47388.4679959165. The cubic root of 2245666899 is about 1309.5289760077.

The spelling of 2245666899 in words is "two billion, two hundred forty-five million, six hundred sixty-six thousand, eight hundred ninety-nine".