2242684645 has 4 divisors (see below), whose sum is σ = 2691221580. Its totient is φ = 1794147712.

The previous prime is 2242684643. The next prime is 2242684673. The reversal of 2242684645 is 5464862422.

2242684645 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 886014756 + 1356669889 = 29766^2 + 36833^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242684645 - 2¹ = 2242684643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242684643) 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, 224268460 + ... + 224268469.

It is an arithmetic number, because the mean of its divisors is an integer number (672805395).

Almost surely, 2^2242684645 is an apocalyptic number.

It is an amenable number.

2242684645 is a deficient number, since it is larger than the sum of its proper divisors (448536935).

2242684645 is an equidigital number, since it uses as much as digits as its factorization.

2242684645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448536934.

The product of its digits is 737280, while the sum is 43.

The square root of 2242684645 is about 47356.9915112858. The cubic root of 2242684645 is about 1308.9490327583.

The spelling of 2242684645 in words is "two billion, two hundred forty-two million, six hundred eighty-four thousand, six hundred forty-five".