42522244 has 12 divisors (see below), whose sum is σ = 75675600. Its totient is φ = 20900648.

The previous prime is 42522229. The next prime is 42522283. The reversal of 42522244 is 44222524.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89854 + ... + 90325.

It is an arithmetic number, because the mean of its divisors is an integer number (6306300).

Almost surely, 2^42522244 is an apocalyptic number.

It is an amenable number.

42522244 is a deficient number, since it is larger than the sum of its proper divisors (33153356).

42522244 is a wasteful number, since it uses less digits than its factorization.

42522244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180242 (or 180240 counting only the distinct ones).

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

The square root of 42522244 is about 6520.9082189523. The cubic root of 42522244 is about 349.0374751427.

Adding to 42522244 its reverse (44222524), we get a palindrome (86744768).

The spelling of 42522244 in words is "forty-two million, five hundred twenty-two thousand, two hundred forty-four".