442133225 has 24 divisors (see below), whose sum is σ = 555172800. Its totient is φ = 349272000.

The previous prime is 442133203. The next prime is 442133227. The reversal of 442133225 is 522331244.

It is not a de Polignac number, because 442133225 - 2⁸ = 442132969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 442133194 and 442133203.

It is not an unprimeable number, because it can be changed into a prime (442133227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 900230 + ... + 900720.

It is an arithmetic number, because the mean of its divisors is an integer number (23132200).

Almost surely, 2^442133225 is an apocalyptic number.

It is an amenable number.

442133225 is a deficient number, since it is larger than the sum of its proper divisors (113039575).

442133225 is a wasteful number, since it uses less digits than its factorization.

442133225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 876 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 442133225 is about 21026.9642364275. The cubic root of 442133225 is about 761.8176857782.

Adding to 442133225 its reverse (522331244), we get a palindrome (964464469).

The spelling of 442133225 in words is "four hundred forty-two million, one hundred thirty-three thousand, two hundred twenty-five".