21222364060659 has 16 divisors (see below), whose sum is σ = 28518984831744. Its totient is φ = 14037042208800.

The previous prime is 21222364060603. The next prime is 21222364060693. The reversal of 21222364060659 is 95606046322212.

It is not a de Polignac number, because 21222364060659 - 2¹² = 21222364056563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21222364060759) 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, 4423384 + ... + 7874709.

It is an arithmetic number, because the mean of its divisors is an integer number (1782436551984).

Almost surely, 2^{21222364060659} is an apocalyptic number.

21222364060659 is a deficient number, since it is larger than the sum of its proper divisors (7296620771085).

21222364060659 is a wasteful number, since it uses less digits than its factorization.

21222364060659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12302618.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 21222364060659 in words is "twenty-one trillion, two hundred twenty-two billion, three hundred sixty-four million, sixty thousand, six hundred fifty-nine".