2242786643 has 2 divisors, whose sum is σ = 2242786644. Its totient is φ = 2242786642.

The previous prime is 2242786577. The next prime is 2242786669. The reversal of 2242786643 is 3466872422.

2242786643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2242786643 - 2¹⁰ = 2242785619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2242786594 and 2242786603.

It is not a weakly prime, because it can be changed into another prime (2242780643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121393321 + 1121393322.

It is an arithmetic number, because the mean of its divisors is an integer number (1121393322).

Almost surely, 2^2242786643 is an apocalyptic number.

2242786643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242786643 is an equidigital number, since it uses as much as digits as its factorization.

2242786643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 44.

The square root of 2242786643 is about 47358.0684044440. The cubic root of 2242786643 is about 1308.9688762614.

The spelling of 2242786643 in words is "two billion, two hundred forty-two million, seven hundred eighty-six thousand, six hundred forty-three".