4424223224321 has 2 divisors, whose sum is σ = 4424223224322. Its totient is φ = 4424223224320.

The previous prime is 4424223224287. The next prime is 4424223224353. The reversal of 4424223224321 is 1234223224244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4268091556096 + 156131668225 = 2065936^2 + 395135^2 .

It is a cyclic number.

It is not a de Polignac number, because 4424223224321 - 2⁶ = 4424223224257 is a prime.

It is a super-2 number, since 2×4424223224321² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4424223224381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212111612160 + 2212111612161.

It is an arithmetic number, because the mean of its divisors is an integer number (2212111612161).

Almost surely, 2^{4424223224321} is an apocalyptic number.

It is an amenable number.

4424223224321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4424223224321 is an equidigital number, since it uses as much as digits as its factorization.

4424223224321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 35.

Adding to 4424223224321 its reverse (1234223224244), we get a palindrome (5658446448565).

The spelling of 4424223224321 in words is "four trillion, four hundred twenty-four billion, two hundred twenty-three million, two hundred twenty-four thousand, three hundred twenty-one".