42252242 has 32 divisors (see below), whose sum is σ = 71103744. Its totient is φ = 18726400.

The previous prime is 42252227. The next prime is 42252269. The reversal of 42252242 is 24225224.

42252242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55142 + ... + 55902.

It is an arithmetic number, because the mean of its divisors is an integer number (2221992).

Almost surely, 2^42252242 is an apocalyptic number.

42252242 is a deficient number, since it is larger than the sum of its proper divisors (28851502).

42252242 is a wasteful number, since it uses less digits than its factorization.

42252242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874.

The product of its digits is 2560, while the sum is 23.

The square root of 42252242 is about 6500.1724592506. The cubic root of 42252242 is about 348.2971489826.

Adding to 42252242 its reverse (24225224), we get a palindrome (66477466).

The spelling of 42252242 in words is "forty-two million, two hundred fifty-two thousand, two hundred forty-two".