442042322 has 8 divisors (see below), whose sum is σ = 678483696. Its totient is φ = 215881092.

The previous prime is 442042309. The next prime is 442042351. The reversal of 442042322 is 223240244.

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

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, 2569928 + ... + 2570099.

It is an arithmetic number, because the mean of its divisors is an integer number (84810462).

Almost surely, 2^442042322 is an apocalyptic number.

442042322 is a deficient number, since it is larger than the sum of its proper divisors (236441374).

442042322 is a wasteful number, since it uses less digits than its factorization.

442042322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140072.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 442042322 is about 21024.8025436626. The cubic root of 442042322 is about 761.7654720593.

Adding to 442042322 its reverse (223240244), we get a palindrome (665282566).

The spelling of 442042322 in words is "four hundred forty-two million, forty-two thousand, three hundred twenty-two".