42241223 has 4 divisors (see below), whose sum is σ = 42256680. Its totient is φ = 42225768.

The previous prime is 42241211. The next prime is 42241229. The reversal of 42241223 is 32214224.

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 42241223 - 2⁴ = 42241207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42241195 and 42241204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42241229) by changing a digit.

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, 2408 + ... + 9501.

It is an arithmetic number, because the mean of its divisors is an integer number (10564170).

Almost surely, 2^42241223 is an apocalyptic number.

42241223 is a deficient number, since it is larger than the sum of its proper divisors (15457).

42241223 is a wasteful number, since it uses less digits than its factorization.

42241223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15456.

The product of its digits is 768, while the sum is 20.

The square root of 42241223 is about 6499.3248110861. The cubic root of 42241223 is about 348.2668687751.

Adding to 42241223 its reverse (32214224), we get a palindrome (74455447).

The spelling of 42241223 in words is "forty-two million, two hundred forty-one thousand, two hundred twenty-three".