82423522241 has 4 divisors (see below), whose sum is σ = 83978683092. Its totient is φ = 80868361392.

The previous prime is 82423522219. The next prime is 82423522243. The reversal of 82423522241 is 14222532428.

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 42971631616 + 39451890625 = 207296^2 + 198625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82423522241 is a prime.

It is a super-2 number, since 2×82423522241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82423522243) 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, 777580346 + ... + 777580451.

It is an arithmetic number, because the mean of its divisors is an integer number (20994670773).

Almost surely, 2^82423522241 is an apocalyptic number.

It is an amenable number.

82423522241 is a deficient number, since it is larger than the sum of its proper divisors (1555160851).

82423522241 is a wasteful number, since it uses less digits than its factorization.

82423522241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555160850.

The product of its digits is 61440, while the sum is 35.

The spelling of 82423522241 in words is "eighty-two billion, four hundred twenty-three million, five hundred twenty-two thousand, two hundred forty-one".