444422331 has 24 divisors (see below), whose sum is σ = 688493520. Its totient is φ = 275386176.

The previous prime is 444422327. The next prime is 444422371. The reversal of 444422331 is 133224444.

It is a happy number.

It is not a de Polignac number, because 444422331 - 2² = 444422327 is a prime.

It is a super-3 number, since 3×444422331³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 444422295 and 444422304.

It is not an unprimeable number, because it can be changed into a prime (444422371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15456 + ... + 33581.

It is an arithmetic number, because the mean of its divisors is an integer number (28687230).

Almost surely, 2^444422331 is an apocalyptic number.

444422331 is a deficient number, since it is larger than the sum of its proper divisors (244071189).

444422331 is a wasteful number, since it uses less digits than its factorization.

444422331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49115 (or 49112 counting only the distinct ones).

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

The square root of 444422331 is about 21081.3265948801. The cubic root of 444422331 is about 763.1301713716.

Adding to 444422331 its reverse (133224444), we get a palindrome (577646775).

The spelling of 444422331 in words is "four hundred forty-four million, four hundred twenty-two thousand, three hundred thirty-one".