221114347 has 2 divisors, whose sum is σ = 221114348. Its totient is φ = 221114346.

The previous prime is 221114329. The next prime is 221114371. The reversal of 221114347 is 743411122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221114347 - 2²⁷ = 86896619 is a prime.

It is not a weakly prime, because it can be changed into another prime (221114317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110557173 + 110557174.

It is an arithmetic number, because the mean of its divisors is an integer number (110557174).

Almost surely, 2^221114347 is an apocalyptic number.

221114347 is a deficient number, since it is larger than the sum of its proper divisors (1).

221114347 is an equidigital number, since it uses as much as digits as its factorization.

221114347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 25.

The square root of 221114347 is about 14869.9141557710. The cubic root of 221114347 is about 604.6986154553.

Adding to 221114347 its reverse (743411122), we get a palindrome (964525469).

The spelling of 221114347 in words is "two hundred twenty-one million, one hundred fourteen thousand, three hundred forty-seven".