223154213 has 4 divisors (see below), whose sum is σ = 230352768. Its totient is φ = 215955660.

The previous prime is 223154209. The next prime is 223154227. The reversal of 223154213 is 312451322.

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 223154213 - 2² = 223154209 is a prime.

It is a super-3 number, since 3×223154213³ (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 (223154263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3599231 + ... + 3599292.

It is an arithmetic number, because the mean of its divisors is an integer number (57588192).

Almost surely, 2^223154213 is an apocalyptic number.

It is an amenable number.

223154213 is a deficient number, since it is larger than the sum of its proper divisors (7198555).

223154213 is an equidigital number, since it uses as much as digits as its factorization.

223154213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198554.

The product of its digits is 1440, while the sum is 23.

The square root of 223154213 is about 14938.3470638488. The cubic root of 223154213 is about 606.5524530727.

The spelling of 223154213 in words is "two hundred twenty-three million, one hundred fifty-four thousand, two hundred thirteen".