442110234 has 16 divisors (see below), whose sum is σ = 890676288. Its totient is φ = 146294112.

The previous prime is 442110223. The next prime is 442110281. The reversal of 442110234 is 432011244.

It is a super-2 number, since 2×442110234² = 390922918015069512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442110234.

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, 268102 + ... + 269745.

It is an arithmetic number, because the mean of its divisors is an integer number (55667268).

Almost surely, 2^442110234 is an apocalyptic number.

442110234 is an abundant number, since it is smaller than the sum of its proper divisors (448566054).

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

442110234 is a wasteful number, since it uses less digits than its factorization.

442110234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537989.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 442110234 is about 21026.4175265308. The cubic root of 442110234 is about 761.8044806678.

Adding to 442110234 its reverse (432011244), we get a palindrome (874121478).

The spelling of 442110234 in words is "four hundred forty-two million, one hundred ten thousand, two hundred thirty-four".