223228738473 has 32 divisors (see below), whose sum is σ = 328201015296. Its totient is φ = 134089639488.

The previous prime is 223228738367. The next prime is 223228738477. The reversal of 223228738473 is 374837822322.

It is not a de Polignac number, because 223228738473 - 2¹⁰ = 223228737449 is a prime.

It is a super-3 number, since 3×223228738473³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223228738477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2585386 + ... + 2670332.

It is an arithmetic number, because the mean of its divisors is an integer number (10256281728).

Almost surely, 2^223228738473 is an apocalyptic number.

It is an amenable number.

223228738473 is a deficient number, since it is larger than the sum of its proper divisors (104972276823).

223228738473 is a wasteful number, since it uses less digits than its factorization.

223228738473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86573.

The product of its digits is 5419008, while the sum is 51.

The spelling of 223228738473 in words is "two hundred twenty-three billion, two hundred twenty-eight million, seven hundred thirty-eight thousand, four hundred seventy-three".