442201224 has 32 divisors (see below), whose sum is σ = 1124244000. Its totient is φ = 144901632.

The previous prime is 442201187. The next prime is 442201241. The reversal of 442201224 is 422102244.

It is a self number, because there is not a number n which added to its sum of digits gives 442201224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154729 + ... + 157560.

It is an arithmetic number, because the mean of its divisors is an integer number (35132625).

Almost surely, 2^442201224 is an apocalyptic number.

It is an amenable number.

442201224 is an abundant number, since it is smaller than the sum of its proper divisors (682042776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442201224 is a wasteful number, since it uses less digits than its factorization.

442201224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312357 (or 312353 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 442201224 is about 21028.5811218922. The cubic root of 442201224 is about 761.8567390034.

Adding to 442201224 its reverse (422102244), we get a palindrome (864303468).

The spelling of 442201224 in words is "four hundred forty-two million, two hundred one thousand, two hundred twenty-four".