42221401333 has 4 divisors (see below), whose sum is σ = 42553853440. Its totient is φ = 41888949228.

The previous prime is 42221401319. The next prime is 42221401379. The reversal of 42221401333 is 33310412224.

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 42221401333 - 2⁵ = 42221401301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42221401298 and 42221401307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221401303) 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, 166225863 + ... + 166226116.

It is an arithmetic number, because the mean of its divisors is an integer number (10638463360).

Almost surely, 2^42221401333 is an apocalyptic number.

It is an amenable number.

42221401333 is a deficient number, since it is larger than the sum of its proper divisors (332452107).

42221401333 is a wasteful number, since it uses less digits than its factorization.

42221401333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332452106.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42221401333 its reverse (33310412224), we get a palindrome (75531813557).

The spelling of 42221401333 in words is "forty-two billion, two hundred twenty-one million, four hundred one thousand, three hundred thirty-three".