42304033221 has 4 divisors (see below), whose sum is σ = 56405377632. Its totient is φ = 28202688812.

The previous prime is 42304033183. The next prime is 42304033229. The reversal of 42304033221 is 12233040324.

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 not a de Polignac number, because 42304033221 - 2²³ = 42295644613 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42304033191 and 42304033200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42304033229) 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, 7050672201 + ... + 7050672206.

It is an arithmetic number, because the mean of its divisors is an integer number (14101344408).

Almost surely, 2^42304033221 is an apocalyptic number.

It is an amenable number.

42304033221 is a deficient number, since it is larger than the sum of its proper divisors (14101344411).

42304033221 is a wasteful number, since it uses less digits than its factorization.

42304033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14101344410.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 42304033221 its reverse (12233040324), we get a palindrome (54537073545).

The spelling of 42304033221 in words is "forty-two billion, three hundred four million, thirty-three thousand, two hundred twenty-one".