4222324021 has 2 divisors, whose sum is σ = 4222324022. Its totient is φ = 4222324020.

The previous prime is 4222324009. The next prime is 4222324037. The reversal of 4222324021 is 1204232224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4187384100 + 34939921 = 64710^2 + 5911^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222324021 - 2⁷ = 4222323893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4222323983 and 4222324001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4222324081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111162010 + 2111162011.

It is an arithmetic number, because the mean of its divisors is an integer number (2111162011).

Almost surely, 2^4222324021 is an apocalyptic number.

It is an amenable number.

4222324021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222324021 is an equidigital number, since it uses as much as digits as its factorization.

4222324021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4222324021 is about 64979.4122857386. The cubic root of 4222324021 is about 1616.2821847199.

Adding to 4222324021 its reverse (1204232224), we get a palindrome (5426556245).

The spelling of 4222324021 in words is "four billion, two hundred twenty-two million, three hundred twenty-four thousand, twenty-one".