229218411 has 4 divisors (see below), whose sum is σ = 305624552. Its totient is φ = 152812272.

The previous prime is 229218403. The next prime is 229218449. The reversal of 229218411 is 114812922.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 229218411 - 2³ = 229218403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229218401) 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, 38203066 + ... + 38203071.

It is an arithmetic number, because the mean of its divisors is an integer number (76406138).

Almost surely, 2^229218411 is an apocalyptic number.

229218411 is a deficient number, since it is larger than the sum of its proper divisors (76406141).

229218411 is an equidigital number, since it uses as much as digits as its factorization.

229218411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76406140.

The product of its digits is 2304, while the sum is 30.

The square root of 229218411 is about 15139.9607331063. The cubic root of 229218411 is about 611.9977599346.

The spelling of 229218411 in words is "two hundred twenty-nine million, two hundred eighteen thousand, four hundred eleven".