229181968 has 10 divisors (see below), whose sum is σ = 444040094. Its totient is φ = 114590976.

The previous prime is 229181951. The next prime is 229181987. The reversal of 229181968 is 869181922.

It can be written as a sum of positive squares in only one way, i.e., 214681104 + 14500864 = 14652^2 + 3808^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7161921 + ... + 7161952.

Almost surely, 2^229181968 is an apocalyptic number.

It is an amenable number.

229181968 is a deficient number, since it is larger than the sum of its proper divisors (214858126).

229181968 is a wasteful number, since it uses less digits than its factorization.

229181968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14323881 (or 14323875 counting only the distinct ones).

The product of its digits is 124416, while the sum is 46.

The square root of 229181968 is about 15138.7571484584. The cubic root of 229181968 is about 611.9653247616.

Subtracting from 229181968 its sum of digits (46), we obtain a palindrome (229181922).

The spelling of 229181968 in words is "two hundred twenty-nine million, one hundred eighty-one thousand, nine hundred sixty-eight".