42210244 has 12 divisors (see below), whose sum is σ = 77079744. Its totient is φ = 20187464.

The previous prime is 42210239. The next prime is 42210247. The reversal of 42210244 is 44201224.

It is not an unprimeable number, because it can be changed into a prime (42210247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229312 + ... + 229495.

It is an arithmetic number, because the mean of its divisors is an integer number (6423312).

Almost surely, 2^42210244 is an apocalyptic number.

It is an amenable number.

42210244 is a deficient number, since it is larger than the sum of its proper divisors (34869500).

42210244 is a wasteful number, since it uses less digits than its factorization.

42210244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458834 (or 458832 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 42210244 is about 6496.9411264071. The cubic root of 42210244 is about 348.1817102726.

Adding to 42210244 its reverse (44201224), we get a palindrome (86411468).

The spelling of 42210244 in words is "forty-two million, two hundred ten thousand, two hundred forty-four".