223212044413 has 4 divisors (see below), whose sum is σ = 223240519548. Its totient is φ = 223183569280.

The previous prime is 223212044387. The next prime is 223212044453. The reversal of 223212044413 is 314440212322.

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 104912505604 + 118299538809 = 323902^2 + 343947^2 .

It is a cyclic number.

It is not a de Polignac number, because 223212044413 - 2²⁵ = 223178489981 is a prime.

It is a super-3 number, since 3×223212044413³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223212044453) 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, 14225806 + ... + 14241487.

It is an arithmetic number, because the mean of its divisors is an integer number (55810129887).

Almost surely, 2^223212044413 is an apocalyptic number.

It is an amenable number.

223212044413 is a deficient number, since it is larger than the sum of its proper divisors (28475135).

223212044413 is an equidigital number, since it uses as much as digits as its factorization.

223212044413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28475134.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 223212044413 its reverse (314440212322), we get a palindrome (537652256735).

The spelling of 223212044413 in words is "two hundred twenty-three billion, two hundred twelve million, forty-four thousand, four hundred thirteen".