82204688 has 10 divisors (see below), whose sum is σ = 159271614. Its totient is φ = 41102336.

The previous prime is 82204669. The next prime is 82204709. The reversal of 82204688 is 88640228.

It can be written as a sum of positive squares in only one way, i.e., 76877824 + 5326864 = 8768^2 + 2308^2 .

It is a super-2 number, since 2×82204688² = 13515221458354688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2568881 + ... + 2568912.

Almost surely, 2^82204688 is an apocalyptic number.

It is an amenable number.

82204688 is a deficient number, since it is larger than the sum of its proper divisors (77066926).

82204688 is a wasteful number, since it uses less digits than its factorization.

82204688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5137801 (or 5137795 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 82204688 is about 9066.6800980293. The cubic root of 82204688 is about 434.8093373272.

The spelling of 82204688 in words is "eighty-two million, two hundred four thousand, six hundred eighty-eight".