229772005 has 8 divisors (see below), whose sum is σ = 282138912. Its totient is φ = 179542608.

The previous prime is 229771991. The next prime is 229772027. The reversal of 229772005 is 500277922.

229772005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 229772005 - 2¹⁷ = 229640933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534139 + ... + 534568.

It is an arithmetic number, because the mean of its divisors is an integer number (35267364).

Almost surely, 2^229772005 is an apocalyptic number.

It is an amenable number.

229772005 is a deficient number, since it is larger than the sum of its proper divisors (52366907).

229772005 is a wasteful number, since it uses less digits than its factorization.

229772005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068755.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 229772005 is about 15158.2322518162. The cubic root of 229772005 is about 612.4900500952.

The spelling of 229772005 in words is "two hundred twenty-nine million, seven hundred seventy-two thousand, five".