42225052 has 12 divisors (see below), whose sum is σ = 74168416. Its totient is φ = 21034080.

The previous prime is 42225031. The next prime is 42225083. The reversal of 42225052 is 25052224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 18393 + ... + 20560.

Almost surely, 2^42225052 is an apocalyptic number.

It is an amenable number.

42225052 is a deficient number, since it is larger than the sum of its proper divisors (31943364).

42225052 is a wasteful number, since it uses less digits than its factorization.

42225052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39228 (or 39226 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 42225052 is about 6498.0806396966. The cubic root of 42225052 is about 348.2224213376. Note that the first 3 decimals are identical.

Adding to 42225052 its reverse (25052224), we get a palindrome (67277276).

The spelling of 42225052 in words is "forty-two million, two hundred twenty-five thousand, fifty-two".