442234234 has 16 divisors (see below), whose sum is σ = 751978080. Its totient is φ = 193365360.

The previous prime is 442234211. The next prime is 442234297. The reversal of 442234234 is 432432244.

It is a happy number.

It is a super-2 number, since 2×442234234² = 391142235443133512, which contains 22 as substring.

442234234 is a modest number, since divided by 234234 gives 442 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447112 + ... + 448099.

It is an arithmetic number, because the mean of its divisors is an integer number (46998630).

Almost surely, 2^442234234 is an apocalyptic number.

442234234 is a deficient number, since it is larger than the sum of its proper divisors (309743846).

442234234 is a wasteful number, since it uses less digits than its factorization.

442234234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895245.

The product of its digits is 18432, while the sum is 28.

The square root of 442234234 is about 21029.3659913940. The cubic root of 442234234 is about 761.8756958824.

Adding to 442234234 its reverse (432432244), we get a palindrome (874666478).

The spelling of 442234234 in words is "four hundred forty-two million, two hundred thirty-four thousand, two hundred thirty-four".