22235505431309 has 4 divisors (see below), whose sum is σ = 22236713835420. Its totient is φ = 22234297027200.

The previous prime is 22235505431179. The next prime is 22235505431323. The reversal of 22235505431309 is 90313450553222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5039140508809 + 17196364922500 = 2244803^2 + 4146850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22235505431309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22235505431309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22235505421309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604174454 + ... + 604211255.

It is an arithmetic number, because the mean of its divisors is an integer number (5559178458855).

Almost surely, 2^{22235505431309} is an apocalyptic number.

It is an amenable number.

22235505431309 is a deficient number, since it is larger than the sum of its proper divisors (1208404111).

22235505431309 is a wasteful number, since it uses less digits than its factorization.

22235505431309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208404110.

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 22235505431309 in words is "twenty-two trillion, two hundred thirty-five billion, five hundred five million, four hundred thirty-one thousand, three hundred nine".