223440066205401 has 4 divisors (see below), whose sum is σ = 297920088273872. Its totient is φ = 148960044136932.

The previous prime is 223440066205297. The next prime is 223440066205423. The reversal of 223440066205401 is 104502660044322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 223440066205401 - 2²⁷ = 223439931987673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223440066205401.

It is not an unprimeable number, because it can be changed into a prime (223440066205471) 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, 37240011034231 + ... + 37240011034236.

It is an arithmetic number, because the mean of its divisors is an integer number (74480022068468).

Almost surely, 2^{223440066205401} is an apocalyptic number.

It is an amenable number.

223440066205401 is a deficient number, since it is larger than the sum of its proper divisors (74480022068471).

223440066205401 is an equidigital number, since it uses as much as digits as its factorization.

223440066205401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74480022068470.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 223440066205401 in words is "two hundred twenty-three trillion, four hundred forty billion, sixty-six million, two hundred five thousand, four hundred one".