412221444 has 12 divisors (see below), whose sum is σ = 961850064. Its totient is φ = 137407144.

The previous prime is 412221431. The next prime is 412221451. The reversal of 412221444 is 444122214.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17175882 + ... + 17175905.

It is an arithmetic number, because the mean of its divisors is an integer number (80154172).

Almost surely, 2^412221444 is an apocalyptic number.

It is an amenable number.

412221444 is an abundant number, since it is smaller than the sum of its proper divisors (549628620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

412221444 is a wasteful number, since it uses less digits than its factorization.

412221444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34351794 (or 34351792 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 412221444 is about 20303.2372788184. The cubic root of 412221444 is about 744.2351768384.

Adding to 412221444 its reverse (444122214), we get a palindrome (856343658).

The spelling of 412221444 in words is "four hundred twelve million, two hundred twenty-one thousand, four hundred forty-four".