223812213 has 8 divisors (see below), whose sum is σ = 298695168. Its totient is φ = 149068704.

The previous prime is 223812209. The next prime is 223812217. The reversal of 223812213 is 312218322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (223812209) and next prime (223812217).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223812213 - 2² = 223812209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223812217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31056 + ... + 37577.

It is an arithmetic number, because the mean of its divisors is an integer number (37336896).

Almost surely, 2^223812213 is an apocalyptic number.

It is an amenable number.

223812213 is a deficient number, since it is larger than the sum of its proper divisors (74882955).

223812213 is a wasteful number, since it uses less digits than its factorization.

223812213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69723.

The product of its digits is 1152, while the sum is 24.

The square root of 223812213 is about 14960.3547083617. The cubic root of 223812213 is about 607.1480350430.

The spelling of 223812213 in words is "two hundred twenty-three million, eight hundred twelve thousand, two hundred thirteen".