2241778085 has 4 divisors (see below), whose sum is σ = 2690133708. Its totient is φ = 1793422464.

The previous prime is 2241778043. The next prime is 2241778087. The reversal of 2241778085 is 5808771422.

2241778085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 577056484 + 1664721601 = 24022^2 + 40801^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241778085 - 2¹⁰ = 2241777061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241778087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224177804 + ... + 224177813.

It is an arithmetic number, because the mean of its divisors is an integer number (672533427).

Almost surely, 2^2241778085 is an apocalyptic number.

It is an amenable number.

2241778085 is a deficient number, since it is larger than the sum of its proper divisors (448355623).

2241778085 is an equidigital number, since it uses as much as digits as its factorization.

2241778085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448355622.

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 2241778085 is about 47347.4189898457. The cubic root of 2241778085 is about 1308.7726369127.

The spelling of 2241778085 in words is "two billion, two hundred forty-one million, seven hundred seventy-eight thousand, eighty-five".