444232231 has 2 divisors, whose sum is σ = 444232232. Its totient is φ = 444232230.

The previous prime is 444232223. The next prime is 444232241. The reversal of 444232231 is 132232444.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444232231 - 2³ = 444232223 is a prime.

It is a super-2 number, since 2×444232231² = 394684550118474722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444232196 and 444232205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444232241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222116115 + 222116116.

It is an arithmetic number, because the mean of its divisors is an integer number (222116116).

Almost surely, 2^444232231 is an apocalyptic number.

444232231 is a deficient number, since it is larger than the sum of its proper divisors (1).

444232231 is an equidigital number, since it uses as much as digits as its factorization.

444232231 is an evil number, because the sum of its binary digits is even.

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

The square root of 444232231 is about 21076.8173830870. The cubic root of 444232231 is about 763.0213471557.

Adding to 444232231 its reverse (132232444), we get a palindrome (576464675).

The spelling of 444232231 in words is "four hundred forty-four million, two hundred thirty-two thousand, two hundred thirty-one".