82226876720505 has 16 divisors (see below), whose sum is σ = 143523275730624. Its totient is φ = 39867576591680.

The previous prime is 82226876720503. The next prime is 82226876720567. The reversal of 82226876720505 is 50502767862228.

It is not a de Polignac number, because 82226876720505 - 2¹ = 82226876720503 is a prime.

It is a super-2 number, since 2×82226876720505² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82226876720503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249172353534 + ... + 249172353863.

It is an arithmetic number, because the mean of its divisors is an integer number (8970204733164).

Almost surely, 2^{82226876720505} is an apocalyptic number.

It is an amenable number.

82226876720505 is a deficient number, since it is larger than the sum of its proper divisors (61296399010119).

82226876720505 is a wasteful number, since it uses less digits than its factorization.

82226876720505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498344707416.

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 82226876720505 in words is "eighty-two trillion, two hundred twenty-six billion, eight hundred seventy-six million, seven hundred twenty thousand, five hundred five".