4442320231 has 2 divisors, whose sum is σ = 4442320232. Its totient is φ = 4442320230.

The previous prime is 4442320187. The next prime is 4442320247. The reversal of 4442320231 is 1320232444.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4442320231 - 2¹¹ = 4442318183 is a prime.

It is a super-2 number, since 2×4442320231² = 39468418069503786722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4442320196 and 4442320205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4442320271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221160115 + 2221160116.

It is an arithmetic number, because the mean of its divisors is an integer number (2221160116).

Almost surely, 2^4442320231 is an apocalyptic number.

4442320231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442320231 is an equidigital number, since it uses as much as digits as its factorization.

4442320231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4442320231 is about 66650.7331617590. The cubic root of 4442320231 is about 1643.8794031027.

Adding to 4442320231 its reverse (1320232444), we get a palindrome (5762552675).

The spelling of 4442320231 in words is "four billion, four hundred forty-two million, three hundred twenty thousand, two hundred thirty-one".