42221043341 has 4 divisors (see below), whose sum is σ = 42247285500. Its totient is φ = 42194801184.

The previous prime is 42221043331. The next prime is 42221043377. The reversal of 42221043341 is 14334012224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19857037225 + 22364006116 = 140915^2 + 149546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42221043341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42221043341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221043331) 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, 13118666 + ... + 13121883.

It is an arithmetic number, because the mean of its divisors is an integer number (10561821375).

Almost surely, 2^42221043341 is an apocalyptic number.

It is an amenable number.

42221043341 is a deficient number, since it is larger than the sum of its proper divisors (26242159).

42221043341 is a wasteful number, since it uses less digits than its factorization.

42221043341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26242158.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 42221043341 its reverse (14334012224), we get a palindrome (56555055565).

The spelling of 42221043341 in words is "forty-two billion, two hundred twenty-one million, forty-three thousand, three hundred forty-one".