2245576891 has 8 divisors (see below), whose sum is σ = 2282525264. Its totient is φ = 2208729600.

The previous prime is 2245576859. The next prime is 2245576909. The reversal of 2245576891 is 1986755422.

2245576891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2245576891 - 2⁵ = 2245576859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2245516891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20191 + ... + 69991.

It is an arithmetic number, because the mean of its divisors is an integer number (285315658).

Almost surely, 2^2245576891 is an apocalyptic number.

2245576891 is a deficient number, since it is larger than the sum of its proper divisors (36948373).

2245576891 is an equidigital number, since it uses as much as digits as its factorization.

2245576891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50541.

The product of its digits is 1209600, while the sum is 49.

The square root of 2245576891 is about 47387.5183038741. The cubic root of 2245576891 is about 1309.5114801421.

The spelling of 2245576891 in words is "two billion, two hundred forty-five million, five hundred seventy-six thousand, eight hundred ninety-one".