82245628 has 6 divisors (see below), whose sum is σ = 143929856. Its totient is φ = 41122812.

The previous prime is 82245617. The next prime is 82245641. The reversal of 82245628 is 82654228.

It is a super-2 number, since 2×82245628² = 13528686650228768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10280700 + ... + 10280707.

Almost surely, 2^82245628 is an apocalyptic number.

It is an amenable number.

82245628 is a deficient number, since it is larger than the sum of its proper divisors (61684228).

82245628 is a wasteful number, since it uses less digits than its factorization.

82245628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20561411 (or 20561409 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 82245628 is about 9068.9375342429. The cubic root of 82245628 is about 434.8815073392.

The spelling of 82245628 in words is "eighty-two million, two hundred forty-five thousand, six hundred twenty-eight".