22732661008385 has 4 divisors (see below), whose sum is σ = 27279193210068. Its totient is φ = 18186128806704.

The previous prime is 22732661008357. The next prime is 22732661008439. The reversal of 22732661008385 is 58380016623722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17419746647809 + 5312914360576 = 4173697^2 + 2304976^2 .

It is a cyclic number.

It is not a de Polignac number, because 22732661008385 - 2²² = 22732656814081 is a prime.

It is a Duffinian number.

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 in 3 ways as a sum of consecutive naturals, for example, 2273266100834 + ... + 2273266100843.

It is an arithmetic number, because the mean of its divisors is an integer number (6819798302517).

Almost surely, 2^{22732661008385} is an apocalyptic number.

It is an amenable number.

22732661008385 is a deficient number, since it is larger than the sum of its proper divisors (4546532201683).

22732661008385 is an equidigital number, since it uses as much as digits as its factorization.

22732661008385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546532201682.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 22732661008385 in words is "twenty-two trillion, seven hundred thirty-two billion, six hundred sixty-one million, eight thousand, three hundred eighty-five".