82424224 has 12 divisors (see below), whose sum is σ = 162272754. Its totient is φ = 41212096.

The previous prime is 82424219. The next prime is 82424231. The reversal of 82424224 is 42242428.

It can be written as a sum of positive squares in only one way, i.e., 75134224 + 7290000 = 8668^2 + 2700^2 .

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 82424192 and 82424201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287847 + ... + 1287910.

Almost surely, 2^82424224 is an apocalyptic number.

It is an amenable number.

82424224 is a deficient number, since it is larger than the sum of its proper divisors (79848530).

82424224 is a wasteful number, since it uses less digits than its factorization.

82424224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575767 (or 2575759 counting only the distinct ones).

The product of its digits is 8192, while the sum is 28.

The square root of 82424224 is about 9078.7787725002. The cubic root of 82424224 is about 435.1960608244.

The spelling of 82424224 in words is "eighty-two million, four hundred twenty-four thousand, two hundred twenty-four".