82224920655 has 12 divisors (see below), whose sum is σ = 142523195880. Its totient is φ = 43853290992.

The previous prime is 82224920653. The next prime is 82224920669. The reversal of 82224920655 is 55602942228.

It is a happy number.

82224920655 is a `hidden beast` number, since 82 + 22 + 492 + 0 + 65 + 5 = 666.

It is not a de Polignac number, because 82224920655 - 2¹ = 82224920653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1827220459 = 82224920655 / (8 + 2 + 2 + 2 + 4 + 9 + 2 + 0 + 6 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 82224920655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82224920653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 913610185 + ... + 913610274.

It is an arithmetic number, because the mean of its divisors is an integer number (11876932990).

Almost surely, 2^82224920655 is an apocalyptic number.

82224920655 is a deficient number, since it is larger than the sum of its proper divisors (60298275225).

82224920655 is a wasteful number, since it uses less digits than its factorization.

82224920655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827220470 (or 1827220467 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 82224920655 in words is "eighty-two billion, two hundred twenty-four million, nine hundred twenty thousand, six hundred fifty-five".