442522402 has 32 divisors (see below), whose sum is σ = 768897792. Its totient is φ = 187095744.

The previous prime is 442522391. The next prime is 442522403. The reversal of 442522402 is 204225244.

It is not an unprimeable number, because it can be changed into a prime (442522403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572088 + ... + 572860.

It is an arithmetic number, because the mean of its divisors is an integer number (24028056).

Almost surely, 2^442522402 is an apocalyptic number.

442522402 is a deficient number, since it is larger than the sum of its proper divisors (326375390).

442522402 is a wasteful number, since it uses less digits than its factorization.

442522402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 442522402 is about 21036.2164373730. The cubic root of 442522402 is about 762.0411440459.

Adding to 442522402 its reverse (204225244), we get a palindrome (646747646).

The spelling of 442522402 in words is "four hundred forty-two million, five hundred twenty-two thousand, four hundred two".