223211413304421 has 4 divisors (see below), whose sum is σ = 297615217739232. Its totient is φ = 148807608869612.

The previous prime is 223211413304359. The next prime is 223211413304479. The reversal of 223211413304421 is 124403314112322.

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 a cyclic number.

It is not a de Polignac number, because 223211413304421 - 2⁶ = 223211413304357 is a prime.

It is a super-3 number, since 3×223211413304421³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223211413304521) 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, 37201902217401 + ... + 37201902217406.

It is an arithmetic number, because the mean of its divisors is an integer number (74403804434808).

Almost surely, 2^{223211413304421} is an apocalyptic number.

It is an amenable number.

223211413304421 is a deficient number, since it is larger than the sum of its proper divisors (74403804434811).

223211413304421 is an equidigital number, since it uses as much as digits as its factorization.

223211413304421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74403804434810.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 223211413304421 its reverse (124403314112322), we get a palindrome (347614727416743).

The spelling of 223211413304421 in words is "two hundred twenty-three trillion, two hundred eleven billion, four hundred thirteen million, three hundred four thousand, four hundred twenty-one".