2224347221 has 2 divisors, whose sum is σ = 2224347222. Its totient is φ = 2224347220.

The previous prime is 2224347197. The next prime is 2224347263. The reversal of 2224347221 is 1227434222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1773252100 + 451095121 = 42110^2 + 21239^2 .

It is a cyclic number.

It is not a de Polignac number, because 2224347221 - 2¹⁴ = 2224330837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2224347121) 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, 1112173610 + 1112173611.

It is an arithmetic number, because the mean of its divisors is an integer number (1112173611).

Almost surely, 2^2224347221 is an apocalyptic number.

It is an amenable number.

2224347221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224347221 is an equidigital number, since it uses as much as digits as its factorization.

2224347221 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 2224347221 is about 47162.9857091342. The cubic root of 2224347221 is about 1305.3717023222.

The spelling of 2224347221 in words is "two billion, two hundred twenty-four million, three hundred forty-seven thousand, two hundred twenty-one".