42252235 has 4 divisors (see below), whose sum is σ = 50702688. Its totient is φ = 33801784.

The previous prime is 42252227. The next prime is 42252269. The reversal of 42252235 is 53225224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42252235 - 2³ = 42252227 is a prime.

It is a Duffinian 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, 4225219 + ... + 4225228.

It is an arithmetic number, because the mean of its divisors is an integer number (12675672).

Almost surely, 2^42252235 is an apocalyptic number.

42252235 is a deficient number, since it is larger than the sum of its proper divisors (8450453).

42252235 is an equidigital number, since it uses as much as digits as its factorization.

42252235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450452.

The product of its digits is 4800, while the sum is 25.

The square root of 42252235 is about 6500.1719208033. The cubic root of 42252235 is about 348.2971297482.

Adding to 42252235 its reverse (53225224), we get a palindrome (95477459).

The spelling of 42252235 in words is "forty-two million, two hundred fifty-two thousand, two hundred thirty-five".