2421222347 has 2 divisors, whose sum is σ = 2421222348. Its totient is φ = 2421222346.

The previous prime is 2421222329. The next prime is 2421222359. The reversal of 2421222347 is 7432221242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421222347 - 2⁸ = 2421222091 is a prime.

It is a super-2 number, since 2×2421222347² = 11724635307224376818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2421252347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210611173 + 1210611174.

It is an arithmetic number, because the mean of its divisors is an integer number (1210611174).

Almost surely, 2^2421222347 is an apocalyptic number.

2421222347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421222347 is an equidigital number, since it uses as much as digits as its factorization.

2421222347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 29.

The square root of 2421222347 is about 49205.9178046706. The cubic root of 2421222347 is about 1342.8006966190.

Adding to 2421222347 its reverse (7432221242), we get a palindrome (9853443589).

The spelling of 2421222347 in words is "two billion, four hundred twenty-one million, two hundred twenty-two thousand, three hundred forty-seven".