2254205891 has 16 divisors (see below), whose sum is σ = 2594649600. Its totient is φ = 1918401408.

The previous prime is 2254205857. The next prime is 2254205893. The reversal of 2254205891 is 1985024522.

2254205891 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 2254205891 - 2²² = 2250011587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2254205893) 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, 1263386 + ... + 1265168.

It is an arithmetic number, because the mean of its divisors is an integer number (162165600).

Almost surely, 2^2254205891 is an apocalyptic number.

2254205891 is a deficient number, since it is larger than the sum of its proper divisors (340443709).

2254205891 is a wasteful number, since it uses less digits than its factorization.

2254205891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 2254205891 is about 47478.4781874904. The cubic root of 2254205891 is about 1311.1866742652.

The spelling of 2254205891 in words is "two billion, two hundred fifty-four million, two hundred five thousand, eight hundred ninety-one".