229515215 has 8 divisors (see below), whose sum is σ = 291619440. Its totient is φ = 172811392.

The previous prime is 229515203. The next prime is 229515217. The reversal of 229515215 is 512515922.

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

It is not a de Polignac number, because 229515215 - 2⁶ = 229515151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229515217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350005 + ... + 1350174.

It is an arithmetic number, because the mean of its divisors is an integer number (36452430).

Almost surely, 2^229515215 is an apocalyptic number.

229515215 is a deficient number, since it is larger than the sum of its proper divisors (62104225).

229515215 is a wasteful number, since it uses less digits than its factorization.

229515215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700201.

The product of its digits is 9000, while the sum is 32.

The square root of 229515215 is about 15149.7595690493. The cubic root of 229515215 is about 612.2617949194.

The spelling of 229515215 in words is "two hundred twenty-nine million, five hundred fifteen thousand, two hundred fifteen".