42225232 has 20 divisors (see below), whose sum is σ = 93498976. Its totient is φ = 18096480.

The previous prime is 42225173. The next prime is 42225257. The reversal of 42225232 is 23252224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188394 + ... + 188617.

Almost surely, 2^42225232 is an apocalyptic number.

It is an amenable number.

42225232 is an abundant number, since it is smaller than the sum of its proper divisors (51273744).

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

42225232 is a wasteful number, since it uses less digits than its factorization.

42225232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377026 (or 377020 counting only the distinct ones).

The product of its digits is 1920, while the sum is 22.

The square root of 42225232 is about 6498.0944899255. The cubic root of 42225232 is about 348.2229161461. Note that the first 3 decimals are identical.

Adding to 42225232 its reverse (23252224), we get a palindrome (65477456).

The spelling of 42225232 in words is "forty-two million, two hundred twenty-five thousand, two hundred thirty-two".