42224255631 has 24 divisors (see below), whose sum is σ = 64906128144. Its totient is φ = 26359146240.

The previous prime is 42224255629. The next prime is 42224255651. The reversal of 42224255631 is 13655242224.

42224255631 is a `hidden beast` number, since 4 + 222 + 425 + 5 + 6 + 3 + 1 = 666.

It is not a de Polignac number, because 42224255631 - 2¹ = 42224255629 is a prime.

It is a super-2 number, since 2×42224255631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42224255651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 670305 + ... + 730586.

It is an arithmetic number, because the mean of its divisors is an integer number (2704422006).

Almost surely, 2^42224255631 is an apocalyptic number.

42224255631 is a deficient number, since it is larger than the sum of its proper divisors (22681872513).

42224255631 is a wasteful number, since it uses less digits than its factorization.

42224255631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401111 (or 1401108 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 42224255631 its reverse (13655242224), we get a palindrome (55879497855).

The spelling of 42224255631 in words is "forty-two billion, two hundred twenty-four million, two hundred fifty-five thousand, six hundred thirty-one".