4650224221 has 2 divisors, whose sum is σ = 4650224222. Its totient is φ = 4650224220.

The previous prime is 4650224213. The next prime is 4650224261. The reversal of 4650224221 is 1224220564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3195640900 + 1454583321 = 56530^2 + 38139^2 .

It is a cyclic number.

It is not a de Polignac number, because 4650224221 - 2³ = 4650224213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4650224221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4650224261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2325112110 + 2325112111.

It is an arithmetic number, because the mean of its divisors is an integer number (2325112111).

Almost surely, 2^4650224221 is an apocalyptic number.

It is an amenable number.

4650224221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4650224221 is an equidigital number, since it uses as much as digits as its factorization.

4650224221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 4650224221 is about 68192.5525332496. The cubic root of 4650224221 is about 1669.1343621154.

Adding to 4650224221 its reverse (1224220564), we get a palindrome (5874444785).

The spelling of 4650224221 in words is "four billion, six hundred fifty million, two hundred twenty-four thousand, two hundred twenty-one".