21322266164236 has 24 divisors (see below), whose sum is σ = 38517961781376. Its totient is φ = 10317139935360.

The previous prime is 21322266164219. The next prime is 21322266164261. The reversal of 21322266164236 is 63246166222312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15827130 + ... + 17121406.

It is an arithmetic number, because the mean of its divisors is an integer number (1604915074224).

Almost surely, 2^{21322266164236} is an apocalyptic number.

It is an amenable number.

21322266164236 is a deficient number, since it is larger than the sum of its proper divisors (17195695617140).

21322266164236 is a wasteful number, since it uses less digits than its factorization.

21322266164236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427169 (or 1427167 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 46.

The spelling of 21322266164236 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred sixty-six million, one hundred sixty-four thousand, two hundred thirty-six".