442341022 has 4 divisors (see below), whose sum is σ = 663511536. Its totient is φ = 221170510.

The previous prime is 442341001. The next prime is 442341047. The reversal of 442341022 is 220143244.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 442340984 and 442341002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110585254 + ... + 110585257.

It is an arithmetic number, because the mean of its divisors is an integer number (165877884).

Almost surely, 2^442341022 is an apocalyptic number.

442341022 is a deficient number, since it is larger than the sum of its proper divisors (221170514).

442341022 is a wasteful number, since it uses less digits than its factorization.

442341022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221170513.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 442341022 is about 21031.9048590469. The cubic root of 442341022 is about 761.9370152977.

Adding to 442341022 its reverse (220143244), we get a palindrome (662484266).

The spelling of 442341022 in words is "four hundred forty-two million, three hundred forty-one thousand, twenty-two".