82224620 has 24 divisors (see below), whose sum is σ = 176347584. Its totient is φ = 32189696.

The previous prime is 82224601. The next prime is 82224629. The reversal of 82224620 is 2642228.

It is a self number, because there is not a number n which added to its sum of digits gives 82224620.

It is not an unprimeable number, because it can be changed into a prime (82224629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42797 + ... + 44676.

It is an arithmetic number, because the mean of its divisors is an integer number (7347816).

Almost surely, 2^82224620 is an apocalyptic number.

It is an amenable number.

82224620 is an abundant number, since it is smaller than the sum of its proper divisors (94122964).

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

82224620 is a wasteful number, since it uses less digits than its factorization.

82224620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87529 (or 87527 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 82224620 is about 9067.7792209559. The cubic root of 82224620 is about 434.8444769264.

Adding to 82224620 its reverse (2642228), we get a palindrome (84866848).

The spelling of 82224620 in words is "eighty-two million, two hundred twenty-four thousand, six hundred twenty".