32223131112505 has 4 divisors (see below), whose sum is σ = 38667757335012. Its totient is φ = 25778504890000.

The previous prime is 32223131112457. The next prime is 32223131112511. The reversal of 32223131112505 is 50521113132223.

It is a happy number.

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 9802678831929 + 22420452280576 = 3130923^2 + 4735024^2 .

It is a de Polignac number, because none of the positive numbers 2^k-32223131112505 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, 3222313111246 + ... + 3222313111255.

It is an arithmetic number, because the mean of its divisors is an integer number (9666939333753).

Almost surely, 2^{32223131112505} is an apocalyptic number.

It is an amenable number.

32223131112505 is a deficient number, since it is larger than the sum of its proper divisors (6444626222507).

32223131112505 is an equidigital number, since it uses as much as digits as its factorization.

32223131112505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444626222506.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 32223131112505 its reverse (50521113132223), we get a palindrome (82744244244728).

The spelling of 32223131112505 in words is "thirty-two trillion, two hundred twenty-three billion, one hundred thirty-one million, one hundred twelve thousand, five hundred five".