42221534631 has 16 divisors (see below), whose sum is σ = 58748096256. Its totient is φ = 26921543616.

The previous prime is 42221534617. The next prime is 42221534711. The reversal of 42221534631 is 13643512224.

It is not a de Polignac number, because 42221534631 - 2⁹ = 42221534119 is a prime.

It is a super-2 number, since 2×42221534631² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42221534592 and 42221534601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221534231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152411 + ... + 1188483.

It is an arithmetic number, because the mean of its divisors is an integer number (3671756016).

Almost surely, 2^42221534631 is an apocalyptic number.

42221534631 is a deficient number, since it is larger than the sum of its proper divisors (16526561625).

42221534631 is a wasteful number, since it uses less digits than its factorization.

42221534631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53062.

The product of its digits is 34560, while the sum is 33.

The spelling of 42221534631 in words is "forty-two billion, two hundred twenty-one million, five hundred thirty-four thousand, six hundred thirty-one".