22505343343351 has 8 divisors (see below), whose sum is σ = 24551725971600. Its totient is φ = 20459034435840.

The previous prime is 22505343343339. The next prime is 22505343343387. The reversal of 22505343343351 is 15334334350522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22505343343351 is a prime.

It is a super-2 number, since 2×22505343343351² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22505343343298 and 22505343343307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22505343343331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17790906 + ... + 19013863.

It is an arithmetic number, because the mean of its divisors is an integer number (3068965746450).

Almost surely, 2^{22505343343351} is an apocalyptic number.

22505343343351 is a deficient number, since it is larger than the sum of its proper divisors (2046382628249).

22505343343351 is a wasteful number, since it uses less digits than its factorization.

22505343343351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36860369.

The product of its (nonzero) digits is 1944000, while the sum is 43.

Adding to 22505343343351 its reverse (15334334350522), we get a palindrome (37839677693873).

The spelling of 22505343343351 in words is "twenty-two trillion, five hundred five billion, three hundred forty-three million, three hundred forty-three thousand, three hundred fifty-one".