42221341233 has 8 divisors (see below), whose sum is σ = 62550135200. Its totient is φ = 28147560804.

The previous prime is 42221341199. The next prime is 42221341237. The reversal of 42221341233 is 33214312224.

42221341233 is a `hidden beast` number, since 4 + 2 + 2 + 213 + 412 + 33 = 666.

It is not a de Polignac number, because 42221341233 - 2⁸ = 42221340977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1563753379 = 42221341233 / (4 + 2 + 2 + 2 + 1 + 3 + 4 + 1 + 2 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42221341197 and 42221341206.

It is not an unprimeable number, because it can be changed into a prime (42221341237) 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, 781876663 + ... + 781876716.

It is an arithmetic number, because the mean of its divisors is an integer number (7818766900).

Almost surely, 2^42221341233 is an apocalyptic number.

It is an amenable number.

42221341233 is a deficient number, since it is larger than the sum of its proper divisors (20328793967).

42221341233 is a wasteful number, since it uses less digits than its factorization.

42221341233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563753388 (or 1563753382 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 42221341233 its reverse (33214312224), we get a palindrome (75435653457).

The spelling of 42221341233 in words is "forty-two billion, two hundred twenty-one million, three hundred forty-one thousand, two hundred thirty-three".