444023212 has 6 divisors (see below), whose sum is σ = 777040628. Its totient is φ = 222011604.

The previous prime is 444023197. The next prime is 444023231. The reversal of 444023212 is 212320444.

It is a happy number.

It is a super-2 number, since 2×444023212² = 394313225589593888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55502898 + ... + 55502905.

Almost surely, 2^444023212 is an apocalyptic number.

It is an amenable number.

444023212 is a deficient number, since it is larger than the sum of its proper divisors (333017416).

444023212 is a wasteful number, since it uses less digits than its factorization.

444023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111005807 (or 111005805 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 444023212 is about 21071.8582948918. The cubic root of 444023212 is about 762.9016567716.

Adding to 444023212 its reverse (212320444), we get a palindrome (656343656).

The spelling of 444023212 in words is "four hundred forty-four million, twenty-three thousand, two hundred twelve".