22641046645 has 8 divisors (see below), whose sum is σ = 31050578304. Its totient is φ = 15525289104.

The previous prime is 22641046643. The next prime is 22641046657. The reversal of 22641046645 is 54664014622.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22641046645 - 2¹ = 22641046643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22641046598 and 22641046607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22641046643) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 323443489 + ... + 323443558.

It is an arithmetic number, because the mean of its divisors is an integer number (3881322288).

Almost surely, 2^22641046645 is an apocalyptic number.

It is an amenable number.

22641046645 is a deficient number, since it is larger than the sum of its proper divisors (8409531659).

22641046645 is an equidigital number, since it uses as much as digits as its factorization.

22641046645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646887059.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 22641046645 in words is "twenty-two billion, six hundred forty-one million, forty-six thousand, six hundred forty-five".