4322750221 has 2 divisors, whose sum is σ = 4322750222. Its totient is φ = 4322750220.

The previous prime is 4322750213. The next prime is 4322750239. The reversal of 4322750221 is 1220572234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2902515625 + 1420234596 = 53875^2 + 37686^2 .

It is a cyclic number.

It is not a de Polignac number, because 4322750221 - 2³ = 4322750213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4322750221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4322750291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161375110 + 2161375111.

It is an arithmetic number, because the mean of its divisors is an integer number (2161375111).

Almost surely, 2^4322750221 is an apocalyptic number.

It is an amenable number.

4322750221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4322750221 is an equidigital number, since it uses as much as digits as its factorization.

4322750221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 4322750221 is about 65747.6252118660. The cubic root of 4322750221 is about 1628.9961099895.

The spelling of 4322750221 in words is "four billion, three hundred twenty-two million, seven hundred fifty thousand, two hundred twenty-one".