18222086212586 has 32 divisors (see below), whose sum is σ = 28370414592000. Its totient is φ = 8767432723392.

The previous prime is 18222086212579. The next prime is 18222086212591. The reversal of 18222086212586 is 68521268022281.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22048535 + ... + 22860053.

It is an arithmetic number, because the mean of its divisors is an integer number (886575456000).

Almost surely, 2^{18222086212586} is an apocalyptic number.

18222086212586 is a deficient number, since it is larger than the sum of its proper divisors (10148328379414).

18222086212586 is a wasteful number, since it uses less digits than its factorization.

18222086212586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812846.

The product of its (nonzero) digits is 2949120, while the sum is 53.

The spelling of 18222086212586 in words is "eighteen trillion, two hundred twenty-two billion, eighty-six million, two hundred twelve thousand, five hundred eighty-six".