8531966422 has 32 divisors (see below), whose sum is σ = 15228650304. Its totient is φ = 3508876800.

The previous prime is 8531966407. The next prime is 8531966423. The reversal of 8531966422 is 2246691358.

It is a super-2 number, since 2×8531966422² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8531966423) 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, 86823 + ... + 156850.

It is an arithmetic number, because the mean of its divisors is an integer number (475895322).

Almost surely, 2^8531966422 is an apocalyptic number.

8531966422 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8531966422 is a deficient number, since it is larger than the sum of its proper divisors (6696683882).

8531966422 is a wasteful number, since it uses less digits than its factorization.

8531966422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243784.

The product of its digits is 622080, while the sum is 46.

The square root of 8531966422 is about 92368.6441494082. The cubic root of 8531966422 is about 2043.3827016971.

The spelling of 8531966422 in words is "eight billion, five hundred thirty-one million, nine hundred sixty-six thousand, four hundred twenty-two".