42241233 has 4 divisors (see below), whose sum is σ = 56321648. Its totient is φ = 28160820.

The previous prime is 42241229. The next prime is 42241247. The reversal of 42241233 is 33214224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42241233 - 2² = 42241229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42241253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7040203 + ... + 7040208.

It is an arithmetic number, because the mean of its divisors is an integer number (14080412).

Almost surely, 2^42241233 is an apocalyptic number.

It is an amenable number.

42241233 is a deficient number, since it is larger than the sum of its proper divisors (14080415).

42241233 is a wasteful number, since it uses less digits than its factorization.

42241233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14080414.

The product of its digits is 1152, while the sum is 21.

The square root of 42241233 is about 6499.3255803968. The cubic root of 42241233 is about 348.2668962575.

Adding to 42241233 its reverse (33214224), we get a palindrome (75455457).

The spelling of 42241233 in words is "forty-two million, two hundred forty-one thousand, two hundred thirty-three".