442202330 has 16 divisors (see below), whose sum is σ = 796482720. Its totient is φ = 176765712.

The previous prime is 442202329. The next prime is 442202389. The reversal of 442202330 is 33202244.

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 in 7 ways as a sum of consecutive naturals, for example, 2681 + ... + 29859.

It is an arithmetic number, because the mean of its divisors is an integer number (49780170).

Almost surely, 2^442202330 is an apocalyptic number.

442202330 is a deficient number, since it is larger than the sum of its proper divisors (354280390).

442202330 is a wasteful number, since it uses less digits than its factorization.

442202330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28813.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 442202330 is about 21028.6074194180. The cubic root of 442202330 is about 761.8573741689.

Adding to 442202330 its reverse (33202244), we get a palindrome (475404574).

The spelling of 442202330 in words is "four hundred forty-two million, two hundred two thousand, three hundred thirty".