22556645136422 has 4 divisors (see below), whose sum is σ = 33834967704636. Its totient is φ = 11278322568210.

The previous prime is 22556645136407. The next prime is 22556645136461. The reversal of 22556645136422 is 22463154665522.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5639161284104 + ... + 5639161284107.

It is an arithmetic number, because the mean of its divisors is an integer number (8458741926159).

Almost surely, 2^{22556645136422} is an apocalyptic number.

22556645136422 is a deficient number, since it is larger than the sum of its proper divisors (11278322568214).

22556645136422 is a wasteful number, since it uses less digits than its factorization.

22556645136422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11278322568213.

The product of its digits is 20736000, while the sum is 53.

The spelling of 22556645136422 in words is "twenty-two trillion, five hundred fifty-six billion, six hundred forty-five million, one hundred thirty-six thousand, four hundred twenty-two".