2245205868 has 48 divisors (see below), whose sum is σ = 5459136480. Its totient is φ = 717305344.

The previous prime is 2245205867. The next prime is 2245205891. The reversal of 2245205868 is 8685025422.

It is not an unprimeable number, because it can be changed into a prime (2245205867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24130 + ... + 71222.

It is an arithmetic number, because the mean of its divisors is an integer number (113732010).

Almost surely, 2^2245205868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2245205868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2729568240).

2245205868 is an abundant number, since it is smaller than the sum of its proper divisors (3213930612).

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

2245205868 is a wasteful number, since it uses less digits than its factorization.

2245205868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47266 (or 47264 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 2245205868 is about 47383.6033665655. The cubic root of 2245205868 is about 1309.4393552996.

The spelling of 2245205868 in words is "two billion, two hundred forty-five million, two hundred five thousand, eight hundred sixty-eight".