223934219 has 2 divisors, whose sum is σ = 223934220. Its totient is φ = 223934218.

The previous prime is 223934197. The next prime is 223934237. The reversal of 223934219 is 912439322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223934219 - 2²⁴ = 207157003 is a prime.

It is a super-2 number, since 2×223934219² = 100293068878279922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223934299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111967109 + 111967110.

It is an arithmetic number, because the mean of its divisors is an integer number (111967110).

Almost surely, 2^223934219 is an apocalyptic number.

223934219 is a deficient number, since it is larger than the sum of its proper divisors (1).

223934219 is an equidigital number, since it uses as much as digits as its factorization.

223934219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 223934219 is about 14964.4317967640. The cubic root of 223934219 is about 607.2583391919.

The spelling of 223934219 in words is "two hundred twenty-three million, nine hundred thirty-four thousand, two hundred nineteen".