442165322 has 8 divisors (see below), whose sum is σ = 664726500. Its totient is φ = 220589824.

The previous prime is 442165313. The next prime is 442165327. The reversal of 442165322 is 223561244.

It can be written as a sum of positive squares in 2 ways, for example, as 418652521 + 23512801 = 20461^2 + 4849^2 .

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

It is not an unprimeable number, because it can be changed into a prime (442165327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245297 + ... + 247092.

Almost surely, 2^442165322 is an apocalyptic number.

442165322 is a deficient number, since it is larger than the sum of its proper divisors (222561178).

442165322 is a wasteful number, since it uses less digits than its factorization.

442165322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492840.

The product of its digits is 11520, while the sum is 29.

The square root of 442165322 is about 21027.7274568604. The cubic root of 442165322 is about 761.8361202448.

The spelling of 442165322 in words is "four hundred forty-two million, one hundred sixty-five thousand, three hundred twenty-two".