22002312121223 has 4 divisors (see below), whose sum is σ = 25145499567120. Its totient is φ = 18859124675328.

The previous prime is 22002312121201. The next prime is 22002312121249. The reversal of 22002312121223 is 32212121320022.

It is a happy number.

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

It is not a de Polignac number, because 22002312121223 - 2¹⁰ = 22002312120199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002312121253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571593722938 + ... + 1571593722951.

It is an arithmetic number, because the mean of its divisors is an integer number (6286374891780).

Almost surely, 2^{22002312121223} is an apocalyptic number.

22002312121223 is a deficient number, since it is larger than the sum of its proper divisors (3143187445897).

22002312121223 is an equidigital number, since it uses as much as digits as its factorization.

22002312121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143187445896.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22002312121223 its reverse (32212121320022), we get a palindrome (54214433441245).

The spelling of 22002312121223 in words is "twenty-two trillion, two billion, three hundred twelve million, one hundred twenty-one thousand, two hundred twenty-three".