22556143343651 has 4 divisors (see below), whose sum is σ = 22556303988432. Its totient is φ = 22555982698872.

The previous prime is 22556143343611. The next prime is 22556143343653. The reversal of 22556143343651 is 15634334165522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22556143343651 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 22556143343651.

It is not an unprimeable number, because it can be changed into a prime (22556143343653) 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 3 ways as a sum of consecutive naturals, for example, 80111591 + ... + 80392656.

It is an arithmetic number, because the mean of its divisors is an integer number (5639075997108).

Almost surely, 2^{22556143343651} is an apocalyptic number.

22556143343651 is a deficient number, since it is larger than the sum of its proper divisors (160644781).

22556143343651 is a wasteful number, since it uses less digits than its factorization.

22556143343651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160644780.

The product of its digits is 7776000, while the sum is 50.

The spelling of 22556143343651 in words is "twenty-two trillion, five hundred fifty-six billion, one hundred forty-three million, three hundred forty-three thousand, six hundred fifty-one".