82322185431 has 16 divisors (see below), whose sum is σ = 109940688000. Its totient is φ = 54792645600.

The previous prime is 82322185417. The next prime is 82322185441. The reversal of 82322185431 is 13458122328.

It is not a de Polignac number, because 82322185431 - 2⁷ = 82322185303 is a prime.

It is a super-2 number, since 2×82322185431² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82322185431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82322185441) 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, 5041981 + ... + 5058281.

It is an arithmetic number, because the mean of its divisors is an integer number (6871293000).

Almost surely, 2^82322185431 is an apocalyptic number.

82322185431 is a deficient number, since it is larger than the sum of its proper divisors (27618502569).

82322185431 is a wasteful number, since it uses less digits than its factorization.

82322185431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18926.

The product of its digits is 92160, while the sum is 39.

The spelling of 82322185431 in words is "eighty-two billion, three hundred twenty-two million, one hundred eighty-five thousand, four hundred thirty-one".