42224144031 has 6 divisors (see below), whose sum is σ = 60990430280. Its totient is φ = 28149429348.

The previous prime is 42224143993. The next prime is 42224144051. The reversal of 42224144031 is 13044142224.

It is not a de Polignac number, because 42224144031 - 2⁶ = 42224143967 is a prime.

It is a super-2 number, since 2×42224144031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42224143986 and 42224144004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42224144051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2345785771 + ... + 2345785788.

Almost surely, 2^42224144031 is an apocalyptic number.

42224144031 is a deficient number, since it is larger than the sum of its proper divisors (18766286249).

42224144031 is a wasteful number, since it uses less digits than its factorization.

42224144031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691571565 (or 4691571562 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 42224144031 its reverse (13044142224), we get a palindrome (55268286255).

The spelling of 42224144031 in words is "forty-two billion, two hundred twenty-four million, one hundred forty-four thousand, thirty-one".