4252022321 has 2 divisors, whose sum is σ = 4252022322. Its totient is φ = 4252022320.

The previous prime is 4252022309. The next prime is 4252022339. The reversal of 4252022321 is 1232202524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4100609296 + 151413025 = 64036^2 + 12305^2 .

It is a cyclic number.

It is not a de Polignac number, because 4252022321 - 2¹⁰ = 4252021297 is a prime.

It is not a weakly prime, because it can be changed into another prime (4252022381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126011160 + 2126011161.

It is an arithmetic number, because the mean of its divisors is an integer number (2126011161).

Almost surely, 2^4252022321 is an apocalyptic number.

It is an amenable number.

4252022321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4252022321 is an equidigital number, since it uses as much as digits as its factorization.

4252022321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4252022321 is about 65207.5327013682. The cubic root of 4252022321 is about 1620.0627828384.

Adding to 4252022321 its reverse (1232202524), we get a palindrome (5484224845).

The spelling of 4252022321 in words is "four billion, two hundred fifty-two million, twenty-two thousand, three hundred twenty-one".