22312200109 has 2 divisors, whose sum is σ = 22312200110. Its totient is φ = 22312200108.

The previous prime is 22312200073. The next prime is 22312200167. The reversal of 22312200109 is 90100221322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17424792009 + 4887408100 = 132003^2 + 69910^2 .

It is a cyclic number.

It is not a de Polignac number, because 22312200109 - 2¹³ = 22312191917 is a prime.

It is a super-3 number, since 3×22312200109³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 22312200109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22312200179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11156100054 + 11156100055.

It is an arithmetic number, because the mean of its divisors is an integer number (11156100055).

Almost surely, 2^22312200109 is an apocalyptic number.

It is an amenable number.

22312200109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22312200109 is an equidigital number, since it uses as much as digits as its factorization.

22312200109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 22312200109 in words is "twenty-two billion, three hundred twelve million, two hundred thousand, one hundred nine".