22066102321236 has 18 divisors (see below), whose sum is σ = 55778203089882. Its totient is φ = 7355367440400.

The previous prime is 22066102321177. The next prime is 22066102321261. The reversal of 22066102321236 is 63212320166022.

22066102321236 is a `hidden beast` number, since 2 + 2 + 0 + 6 + 610 + 2 + 3 + 2 + 1 + 2 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21936389976900 + 129712344336 = 4683630^2 + 360156^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 612947286701 = 22066102321236 / (2 + 2 + 0 + 6 + 6 + 1 + 0 + 2 + 3 + 2 + 1 + 2 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 22066102321236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306473643315 + ... + 306473643386.

It is an arithmetic number, because the mean of its divisors is an integer number (3098789060549).

Almost surely, 2^{22066102321236} is an apocalyptic number.

It is an amenable number.

22066102321236 is an abundant number, since it is smaller than the sum of its proper divisors (33712100768646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22066102321236 is a wasteful number, since it uses less digits than its factorization.

22066102321236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612947286711 (or 612947286706 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 22066102321236 its reverse (63212320166022), we get a palindrome (85278422487258).

The spelling of 22066102321236 in words is "twenty-two trillion, sixty-six billion, one hundred two million, three hundred twenty-one thousand, two hundred thirty-six".