442213324 has 12 divisors (see below), whose sum is σ = 884426704. Its totient is φ = 189519984.

The previous prime is 442213313. The next prime is 442213351. The reversal of 442213324 is 423312244.

It is a happy number.

442213324 is an admirable number.

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, 7896639 + ... + 7896694.

Almost surely, 2^442213324 is an apocalyptic number.

It is an amenable number.

442213324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

442213324 is a wasteful number, since it uses less digits than its factorization.

442213324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15793344 (or 15793342 counting only the distinct ones).

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

The square root of 442213324 is about 21028.8688235958. The cubic root of 442213324 is about 761.8636878629.

Adding to 442213324 its reverse (423312244), we get a palindrome (865525568).

The spelling of 442213324 in words is "four hundred forty-two million, two hundred thirteen thousand, three hundred twenty-four".