422542613623 has 16 divisors (see below), whose sum is σ = 459931530240. Its totient is φ = 385861693536.

The previous prime is 422542613561. The next prime is 422542613657. The reversal of 422542613623 is 326316245224.

It is a cyclic number.

It is not a de Polignac number, because 422542613623 - 2³³ = 413952679031 is a prime.

It is a super-2 number, since 2×422542613623² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422542613023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 802338 + ... + 1220176.

It is an arithmetic number, because the mean of its divisors is an integer number (28745720640).

Almost surely, 2^422542613623 is an apocalyptic number.

422542613623 is a deficient number, since it is larger than the sum of its proper divisors (37388916617).

422542613623 is a wasteful number, since it uses less digits than its factorization.

422542613623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418686.

The product of its digits is 414720, while the sum is 40.

Adding to 422542613623 its reverse (326316245224), we get a palindrome (748858858847).

The spelling of 422542613623 in words is "four hundred twenty-two billion, five hundred forty-two million, six hundred thirteen thousand, six hundred twenty-three".