82199552 has 22 divisors (see below), whose sum is σ = 164320878. Its totient is φ = 41099264.

The previous prime is 82199549. The next prime is 82199561. The reversal of 82199552 is 25599128.

It can be written as a sum of positive squares in only one way, i.e., 62980096 + 19219456 = 7936^2 + 4384^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39113 + ... + 41160.

Almost surely, 2^82199552 is an apocalyptic number.

It is an amenable number.

82199552 is a deficient number, since it is larger than the sum of its proper divisors (82121326).

82199552 is an equidigital number, since it uses as much as digits as its factorization.

82199552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80293 (or 80275 counting only the distinct ones).

The product of its digits is 64800, while the sum is 41.

The square root of 82199552 is about 9066.3968587306. The cubic root of 82199552 is about 434.8002817720.

It can be divided in two parts, 8219 and 9552, that added together give a palindrome (17771).

The spelling of 82199552 in words is "eighty-two million, one hundred ninety-nine thousand, five hundred fifty-two".