42252243 has 8 divisors (see below), whose sum is σ = 61457856. Its totient is φ = 25607400.

The previous prime is 42252227. The next prime is 42252269. The reversal of 42252243 is 34225224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42252243 - 2⁴ = 42252227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42252283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640153 + ... + 640218.

It is an arithmetic number, because the mean of its divisors is an integer number (7682232).

Almost surely, 2^42252243 is an apocalyptic number.

42252243 is a deficient number, since it is larger than the sum of its proper divisors (19205613).

42252243 is a wasteful number, since it uses less digits than its factorization.

42252243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280385.

The product of its digits is 3840, while the sum is 24.

The square root of 42252243 is about 6500.1725361716. The cubic root of 42252243 is about 348.2971517303.

Adding to 42252243 its reverse (34225224), we get a palindrome (76477467).

The spelling of 42252243 in words is "forty-two million, two hundred fifty-two thousand, two hundred forty-three".