229118506 has 4 divisors (see below), whose sum is σ = 343677762. Its totient is φ = 114559252.

The previous prime is 229118441. The next prime is 229118507. The reversal of 229118506 is 605811922.

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

It can be written as a sum of positive squares in only one way, i.e., 135512881 + 93605625 = 11641^2 + 9675^2 .

It is not an unprimeable number, because it can be changed into a prime (229118507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57279625 + ... + 57279628.

Almost surely, 2^229118506 is an apocalyptic number.

229118506 is a deficient number, since it is larger than the sum of its proper divisors (114559256).

229118506 is a wasteful number, since it uses less digits than its factorization.

229118506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114559255.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 229118506 is about 15136.6609924382. The cubic root of 229118506 is about 611.9088338008.

The spelling of 229118506 in words is "two hundred twenty-nine million, one hundred eighteen thousand, five hundred six".