229223218 has 8 divisors (see below), whose sum is σ = 392954112. Its totient is φ = 98238516.

The previous prime is 229223213. The next prime is 229223219. The reversal of 229223218 is 812322922.

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

It is a self number, because there is not a number n which added to its sum of digits gives 229223218.

It is not an unprimeable number, because it can be changed into a prime (229223213) 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, 8186530 + ... + 8186557.

It is an arithmetic number, because the mean of its divisors is an integer number (49119264).

Almost surely, 2^229223218 is an apocalyptic number.

229223218 is a deficient number, since it is larger than the sum of its proper divisors (163730894).

229223218 is a wasteful number, since it uses less digits than its factorization.

229223218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16373096.

The product of its digits is 6912, while the sum is 31.

The square root of 229223218 is about 15140.1194843370. The cubic root of 229223218 is about 612.0020380270.

It can be divided in two parts, 229223 and 218, that added together give a square (229441 = 479²).

The spelling of 229223218 in words is "two hundred twenty-nine million, two hundred twenty-three thousand, two hundred eighteen".