444223132 has 24 divisors (see below), whose sum is σ = 805803264. Its totient is φ = 214135152.

The previous prime is 444223111. The next prime is 444223159. The reversal of 444223132 is 231322444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 444223097 and 444223106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5038 + ... + 30229.

It is an arithmetic number, because the mean of its divisors is an integer number (33575136).

Almost surely, 2^444223132 is an apocalyptic number.

It is an amenable number.

444223132 is a deficient number, since it is larger than the sum of its proper divisors (361580132).

444223132 is a wasteful number, since it uses less digits than its factorization.

444223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35385 (or 35383 counting only the distinct ones).

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

The square root of 444223132 is about 21076.6015287095. The cubic root of 444223132 is about 763.0161375843.

Adding to 444223132 its reverse (231322444), we get a palindrome (675545576).

The spelling of 444223132 in words is "four hundred forty-four million, two hundred twenty-three thousand, one hundred thirty-two".