22566636434422 has 4 divisors (see below), whose sum is σ = 33849954651636. Its totient is φ = 11283318217210.

The previous prime is 22566636434399. The next prime is 22566636434477. The reversal of 22566636434422 is 22443463666522.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 5641659108604 + ... + 5641659108607.

It is an arithmetic number, because the mean of its divisors is an integer number (8462488662909).

Almost surely, 2^{22566636434422} is an apocalyptic number.

22566636434422 is a deficient number, since it is larger than the sum of its proper divisors (11283318217214).

22566636434422 is a wasteful number, since it uses less digits than its factorization.

22566636434422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11283318217213.

The product of its digits is 59719680, while the sum is 55.

The spelling of 22566636434422 in words is "twenty-two trillion, five hundred sixty-six billion, six hundred thirty-six million, four hundred thirty-four thousand, four hundred twenty-two".