4346712221 has 2 divisors, whose sum is σ = 4346712222. Its totient is φ = 4346712220.

The previous prime is 4346712203. The next prime is 4346712263. The reversal of 4346712221 is 1222176434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4278468100 + 68244121 = 65410^2 + 8261^2 .

It is a cyclic number.

It is not a de Polignac number, because 4346712221 - 2⁶ = 4346712157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4346712121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2173356110 + 2173356111.

It is an arithmetic number, because the mean of its divisors is an integer number (2173356111).

Almost surely, 2^4346712221 is an apocalyptic number.

It is an amenable number.

4346712221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4346712221 is an equidigital number, since it uses as much as digits as its factorization.

4346712221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 4346712221 is about 65929.6004917366. The cubic root of 4346712221 is about 1632.0005322721. Note that the first 3 decimals are identical.

Adding to 4346712221 its reverse (1222176434), we get a palindrome (5568888655).

The spelling of 4346712221 in words is "four billion, three hundred forty-six million, seven hundred twelve thousand, two hundred twenty-one".