223211413 has 4 divisors (see below), whose sum is σ = 227960640. Its totient is φ = 218462188.

The previous prime is 223211381. The next prime is 223211423. The reversal of 223211413 is 314112322.

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, and also an emirpimes, since its reverse is a distinct semiprime: 314112322 = 2 ⋅157056161.

It is a cyclic number.

It is not a de Polignac number, because 223211413 - 2⁵ = 223211381 is a prime.

It is a super-3 number, since 3×223211413³ (a number of 26 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 (223211423) 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, 2374543 + ... + 2374636.

It is an arithmetic number, because the mean of its divisors is an integer number (56990160).

Almost surely, 2^223211413 is an apocalyptic number.

It is an amenable number.

223211413 is a deficient number, since it is larger than the sum of its proper divisors (4749227).

223211413 is an equidigital number, since it uses as much as digits as its factorization.

223211413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749226.

The product of its digits is 288, while the sum is 19.

The square root of 223211413 is about 14940.2614769622. The cubic root of 223211413 is about 606.6042734945.

Adding to 223211413 its reverse (314112322), we get a palindrome (537323735).

Subtracting 223211413 from its reverse (314112322), we obtain a palindrome (90900909).

The spelling of 223211413 in words is "two hundred twenty-three million, two hundred eleven thousand, four hundred thirteen".