223211013 has 4 divisors (see below), whose sum is σ = 297614688. Its totient is φ = 148807340.

The previous prime is 223210957. The next prime is 223211063. The reversal of 223211013 is 310112322.

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 223211013 - 2²² = 219016709 is a prime.

It is a super-3 number, since 3×223211013³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223210983 and 223211001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223211063) 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, 37201833 + ... + 37201838.

It is an arithmetic number, because the mean of its divisors is an integer number (74403672).

Almost surely, 2^223211013 is an apocalyptic number.

It is an amenable number.

223211013 is a deficient number, since it is larger than the sum of its proper divisors (74403675).

223211013 is an equidigital number, since it uses as much as digits as its factorization.

223211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74403674.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 223211013 is about 14940.2480903096. The cubic root of 223211013 is about 606.6039111447.

Adding to 223211013 its reverse (310112322), we get a palindrome (533323335).

The spelling of 223211013 in words is "two hundred twenty-three million, two hundred eleven thousand, thirteen".