442141522 has 4 divisors (see below), whose sum is σ = 663212286. Its totient is φ = 221070760.

The previous prime is 442141517. The next prime is 442141537. The reversal of 442141522 is 225141244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 441882441 + 259081 = 21021^2 + 509^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110535379 + ... + 110535382.

Almost surely, 2^442141522 is an apocalyptic number.

442141522 is a deficient number, since it is larger than the sum of its proper divisors (221070764).

442141522 is a wasteful number, since it uses less digits than its factorization.

442141522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221070763.

The product of its digits is 2560, while the sum is 25.

The square root of 442141522 is about 21027.1615297928. The cubic root of 442141522 is about 761.8224511305.

Adding to 442141522 its reverse (225141244), we get a palindrome (667282766).

The spelling of 442141522 in words is "four hundred forty-two million, one hundred forty-one thousand, five hundred twenty-two".