82255338 has 80 divisors (see below), whose sum is σ = 207694080. Its totient is φ = 24105600.

The previous prime is 82255331. The next prime is 82255361. The reversal of 82255338 is 83355228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82255331) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 54498 + ... + 55986.

It is an arithmetic number, because the mean of its divisors is an integer number (2596176).

Almost surely, 2^82255338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82255338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103847040).

82255338 is an abundant number, since it is smaller than the sum of its proper divisors (125438742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82255338 is a wasteful number, since it uses less digits than its factorization.

82255338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1536 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 82255338 is about 9069.4728623002. The cubic root of 82255338 is about 434.8986208457.

The spelling of 82255338 in words is "eighty-two million, two hundred fifty-five thousand, three hundred thirty-eight".