42221412223 has 4 divisors (see below), whose sum is σ = 42221870568. Its totient is φ = 42220953880.

The previous prime is 42221412221. The next prime is 42221412241. The reversal of 42221412223 is 32221412224.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42221412223 - 2¹ = 42221412221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221412221) 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, 37636 + ... + 293017.

It is an arithmetic number, because the mean of its divisors is an integer number (10555467642).

Almost surely, 2^42221412223 is an apocalyptic number.

42221412223 is a deficient number, since it is larger than the sum of its proper divisors (458345).

42221412223 is a wasteful number, since it uses less digits than its factorization.

42221412223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458344.

The product of its digits is 3072, while the sum is 25.

Adding to 42221412223 its reverse (32221412224), we get a palindrome (74442824447).

Subtracting from 42221412223 its reverse (32221412224), we obtain a palindrome (9999999999).

The spelling of 42221412223 in words is "forty-two billion, two hundred twenty-one million, four hundred twelve thousand, two hundred twenty-three".