442052522 has 16 divisors (see below), whose sum is σ = 680279040. Its totient is φ = 215366112.

The previous prime is 442052521. The next prime is 442052551. The reversal of 442052522 is 225250244.

It is a junction number, because it is equal to n+sod(n) for n = 442052491 and 442052500.

It is not an unprimeable number, because it can be changed into a prime (442052521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6122 + ... + 30357.

It is an arithmetic number, because the mean of its divisors is an integer number (42517440).

Almost surely, 2^442052522 is an apocalyptic number.

442052522 is a deficient number, since it is larger than the sum of its proper divisors (238226518).

442052522 is a wasteful number, since it uses less digits than its factorization.

442052522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36637.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 442052522 is about 21025.0451129124. The cubic root of 442052522 is about 761.7713311876.

The spelling of 442052522 in words is "four hundred forty-two million, fifty-two thousand, five hundred twenty-two".