22641645313144 has 32 divisors (see below), whose sum is σ = 49874952965040. Its totient is φ = 9499991040000.

The previous prime is 22641645313117. The next prime is 22641645313163. The reversal of 22641645313144 is 44131354614622.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22641645313094 and 22641645313103.

It is a congruent number.

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, 9895822857 + ... + 9895825144.

Almost surely, 2^{22641645313144} is an apocalyptic number.

It is an amenable number.

22641645313144 is an abundant number, since it is smaller than the sum of its proper divisors (27233307651896).

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

22641645313144 is a wasteful number, since it uses less digits than its factorization.

22641645313144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19791648031 (or 19791648027 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 46.

Adding to 22641645313144 its reverse (44131354614622), we get a palindrome (66772999927766).

The spelling of 22641645313144 in words is "twenty-two trillion, six hundred forty-one billion, six hundred forty-five million, three hundred thirteen thousand, one hundred forty-four".