442633225 has 12 divisors (see below), whose sum is σ = 550813456. Its totient is φ = 352849680.

The previous prime is 442633189. The next prime is 442633231. The reversal of 442633225 is 522336244.

It is not a de Polignac number, because 442633225 - 2¹¹ = 442631177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24207 + ... + 38356.

Almost surely, 2^442633225 is an apocalyptic number.

It is an amenable number.

442633225 is a deficient number, since it is larger than the sum of its proper divisors (108180231).

442633225 is a wasteful number, since it uses less digits than its factorization.

442633225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62856 (or 62851 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 442633225 is about 21038.8503725845. The cubic root of 442633225 is about 762.1047526048.

Adding to 442633225 its reverse (522336244), we get a palindrome (964969469).

The spelling of 442633225 in words is "four hundred forty-two million, six hundred thirty-three thousand, two hundred twenty-five".