444342231 has 6 divisors (see below), whose sum is σ = 641827680. Its totient is φ = 296228148.

The previous prime is 444342229. The next prime is 444342233. The reversal of 444342231 is 132243444.

It is a happy number.

444342231 is a `hidden beast` number, since 4 + 4 + 434 + 223 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (444342229) and next prime (444342233).

It is not a de Polignac number, because 444342231 - 2¹ = 444342229 is a prime.

It is a super-2 number, since 2×444342231² = 394880036500114722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444342195 and 444342204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444342233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24685671 + ... + 24685688.

It is an arithmetic number, because the mean of its divisors is an integer number (106971280).

Almost surely, 2^444342231 is an apocalyptic number.

444342231 is a deficient number, since it is larger than the sum of its proper divisors (197485449).

444342231 is a wasteful number, since it uses less digits than its factorization.

444342231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49371365 (or 49371362 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 444342231 is about 21079.4267237038. The cubic root of 444342231 is about 763.0843212907.

Adding to 444342231 its reverse (132243444), we get a palindrome (576585675).

It can be divided in two parts, 44434 and 2231, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 444342231 in words is "four hundred forty-four million, three hundred forty-two thousand, two hundred thirty-one".