22666640620242 has 16 divisors (see below), whose sum is σ = 45756956767392. Its totient is φ = 7484934285600.

The previous prime is 22666640620237. The next prime is 22666640620289. The reversal of 22666640620242 is 24202604666622.

It is a junction number, because it is equal to n+sod(n) for n = 22666640620191 and 22666640620200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17653146259 + ... + 17653147542.

It is an arithmetic number, because the mean of its divisors is an integer number (2859809797962).

Almost surely, 2^{22666640620242} is an apocalyptic number.

22666640620242 is an abundant number, since it is smaller than the sum of its proper divisors (23090316147150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22666640620242 is a wasteful number, since it uses less digits than its factorization.

22666640620242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35306293913.

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 22666640620242 in words is "twenty-two trillion, six hundred sixty-six billion, six hundred forty million, six hundred twenty thousand, two hundred forty-two".