42224323633 has 4 divisors (see below), whose sum is σ = 42267279168. Its totient is φ = 42181368100.

The previous prime is 42224323627. The next prime is 42224323679. The reversal of 42224323633 is 33632342224.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42224323633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42224323693) 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, 21476293 + ... + 21478258.

It is an arithmetic number, because the mean of its divisors is an integer number (10566819792).

Almost surely, 2^42224323633 is an apocalyptic number.

It is an amenable number.

42224323633 is a deficient number, since it is larger than the sum of its proper divisors (42955535).

42224323633 is an equidigital number, since it uses as much as digits as its factorization.

42224323633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42955534.

The product of its digits is 124416, while the sum is 34.

Adding to 42224323633 its reverse (33632342224), we get a palindrome (75856665857).

The spelling of 42224323633 in words is "forty-two billion, two hundred twenty-four million, three hundred twenty-three thousand, six hundred thirty-three".