42225452 has 6 divisors (see below), whose sum is σ = 73894548. Its totient is φ = 21112724.

The previous prime is 42225413. The next prime is 42225457. The reversal of 42225452 is 25452224.

It is not an unprimeable number, because it can be changed into a prime (42225457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278178 + ... + 5278185.

It is an arithmetic number, because the mean of its divisors is an integer number (12315758).

Almost surely, 2^42225452 is an apocalyptic number.

It is an amenable number.

42225452 is a deficient number, since it is larger than the sum of its proper divisors (31669096).

42225452 is a wasteful number, since it uses less digits than its factorization.

42225452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10556367 (or 10556365 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 42225452 is about 6498.1114179429. Note that the first 3 decimals coincide. The cubic root of 42225452 is about 348.2235209102.

Adding to 42225452 its reverse (25452224), we get a palindrome (67677676).

The spelling of 42225452 in words is "forty-two million, two hundred twenty-five thousand, four hundred fifty-two".