22661423232044 has 6 divisors (see below), whose sum is σ = 39657490656084. Its totient is φ = 11330711616020.

The previous prime is 22661423231999. The next prime is 22661423232067. The reversal of 22661423232044 is 44023232416622.

It is a junction number, because it is equal to n+sod(n) for n = 22661423231992 and 22661423232010.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2832677904002 + ... + 2832677904009.

It is an arithmetic number, because the mean of its divisors is an integer number (6609581776014).

Almost surely, 2^{22661423232044} is an apocalyptic number.

It is an amenable number.

22661423232044 is a deficient number, since it is larger than the sum of its proper divisors (16996067424040).

22661423232044 is a wasteful number, since it uses less digits than its factorization.

22661423232044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5665355808015 (or 5665355808013 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 41.

Adding to 22661423232044 its reverse (44023232416622), we get a palindrome (66684655648666).

The spelling of 22661423232044 in words is "twenty-two trillion, six hundred sixty-one billion, four hundred twenty-three million, two hundred thirty-two thousand, forty-four".