442222234 has 8 divisors (see below), whose sum is σ = 678759840. Its totient is φ = 215968956.

The previous prime is 442222229. The next prime is 442222267. The reversal of 442222234 is 432222244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 442222199 and 442222208.

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, 2570974 + ... + 2571145.

It is an arithmetic number, because the mean of its divisors is an integer number (84844980).

Almost surely, 2^442222234 is an apocalyptic number.

442222234 is a deficient number, since it is larger than the sum of its proper divisors (236537606).

442222234 is a wasteful number, since it uses less digits than its factorization.

442222234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5142164.

The product of its digits is 6144, while the sum is 25.

The square root of 442222234 is about 21029.0806741522. The cubic root of 442222234 is about 761.8688046693.

Adding to 442222234 its reverse (432222244), we get a palindrome (874444478).

The spelling of 442222234 in words is "four hundred forty-two million, two hundred twenty-two thousand, two hundred thirty-four".