22556144353561 has 8 divisors (see below), whose sum is σ = 27761408435264. Its totient is φ = 17846619708240.

The previous prime is 22556144353517. The next prime is 22556144353571. The reversal of 22556144353561 is 16535344165522.

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

It is a cyclic number.

It is not a de Polignac number, because 22556144353561 - 2⁹ = 22556144353049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22556144353499 and 22556144353508.

It is not an unprimeable number, because it can be changed into a prime (22556144353511) 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 in 7 ways as a sum of consecutive naturals, for example, 123934858995 + ... + 123934859176.

It is an arithmetic number, because the mean of its divisors is an integer number (3470176054408).

Almost surely, 2^{22556144353561} is an apocalyptic number.

It is an amenable number.

22556144353561 is a deficient number, since it is larger than the sum of its proper divisors (5205264081703).

22556144353561 is a wasteful number, since it uses less digits than its factorization.

22556144353561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247869718191.

The product of its digits is 12960000, while the sum is 52.

The spelling of 22556144353561 in words is "twenty-two trillion, five hundred fifty-six billion, one hundred forty-four million, three hundred fifty-three thousand, five hundred sixty-one".