2222222747 has 2 divisors, whose sum is σ = 2222222748. Its totient is φ = 2222222746.

The previous prime is 2222222731. The next prime is 2222222749. The reversal of 2222222747 is 7472222222.

2222222747 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 2222222747 - 2⁴ = 2222222731 is a prime.

Together with 2222222749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2222222749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111111373 + 1111111374.

It is an arithmetic number, because the mean of its divisors is an integer number (1111111374).

Almost surely, 2^2222222747 is an apocalyptic number.

2222222747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222222747 is an equidigital number, since it uses as much as digits as its factorization.

2222222747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25088, while the sum is 32.

The square root of 2222222747 is about 47140.4576452117. The cubic root of 2222222747 is about 1304.9559831114.

Adding to 2222222747 its reverse (7472222222), we get a palindrome (9694444969).

The spelling of 2222222747 in words is "two billion, two hundred twenty-two million, two hundred twenty-two thousand, seven hundred forty-seven".