2242647987 has 4 divisors (see below), whose sum is σ = 2990197320. Its totient is φ = 1495098656.

The previous prime is 2242647947. The next prime is 2242647991. The reversal of 2242647987 is 7897462422.

2242647987 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2242647987 - 2¹⁰ = 2242646963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2242647917) 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, 373774662 + ... + 373774667.

It is an arithmetic number, because the mean of its divisors is an integer number (747549330).

Almost surely, 2^2242647987 is an apocalyptic number.

2242647987 is a deficient number, since it is larger than the sum of its proper divisors (747549333).

2242647987 is an equidigital number, since it uses as much as digits as its factorization.

2242647987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747549332.

The product of its digits is 2709504, while the sum is 51.

The square root of 2242647987 is about 47356.6044707599. The cubic root of 2242647987 is about 1308.9419008721.

The spelling of 2242647987 in words is "two billion, two hundred forty-two million, six hundred forty-seven thousand, nine hundred eighty-seven".