82422331213 has 4 divisors (see below), whose sum is σ = 82427480380. Its totient is φ = 82417182048.

The previous prime is 82422331207. The next prime is 82422331217. The reversal of 82422331213 is 31213322428.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60448123044 + 21974208169 = 245862^2 + 148237^2 .

It is a cyclic number.

It is not a de Polignac number, because 82422331213 - 2⁵ = 82422331181 is a prime.

It is a super-3 number, since 3×82422331213³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82422331217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550498 + ... + 2582611.

It is an arithmetic number, because the mean of its divisors is an integer number (20606870095).

Almost surely, 2^82422331213 is an apocalyptic number.

It is an amenable number.

82422331213 is a deficient number, since it is larger than the sum of its proper divisors (5149167).

82422331213 is a wasteful number, since it uses less digits than its factorization.

82422331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149166.

The product of its digits is 13824, while the sum is 31.

The spelling of 82422331213 in words is "eighty-two billion, four hundred twenty-two million, three hundred thirty-one thousand, two hundred thirteen".