2243982637 has 8 divisors (see below), whose sum is σ = 2417559480. Its totient is φ = 2070543360.

The previous prime is 2243982569. The next prime is 2243982641. The reversal of 2243982637 is 7362893422.

It can be written as a sum of positive squares in 4 ways, for example, as 484264036 + 1759718601 = 22006^2 + 41949^2 .

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 2243982637 - 2⁷ = 2243982509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243982437) 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, 837 + ... + 66997.

It is an arithmetic number, because the mean of its divisors is an integer number (302194935).

Almost surely, 2^2243982637 is an apocalyptic number.

It is an amenable number.

2243982637 is a deficient number, since it is larger than the sum of its proper divisors (173576843).

2243982637 is a wasteful number, since it uses less digits than its factorization.

2243982637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68783.

The product of its digits is 870912, while the sum is 46.

The square root of 2243982637 is about 47370.6938623449. The cubic root of 2243982637 is about 1309.2015095842.

The spelling of 2243982637 in words is "two billion, two hundred forty-three million, nine hundred eighty-two thousand, six hundred thirty-seven".