22222440347 has 2 divisors, whose sum is σ = 22222440348. Its totient is φ = 22222440346.

The previous prime is 22222440283. The next prime is 22222440419. The reversal of 22222440347 is 74304422222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22222440347 - 2⁶ = 22222440283 is a prime.

It is not a weakly prime, because it can be changed into another prime (22221440347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111220173 + 11111220174.

It is an arithmetic number, because the mean of its divisors is an integer number (11111220174).

Almost surely, 2^22222440347 is an apocalyptic number.

22222440347 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222440347 is an equidigital number, since it uses as much as digits as its factorization.

22222440347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 32.

Adding to 22222440347 its reverse (74304422222), we get a palindrome (96526862569).

The spelling of 22222440347 in words is "twenty-two billion, two hundred twenty-two million, four hundred forty thousand, three hundred forty-seven".