229375915 has 4 divisors (see below), whose sum is σ = 275251104. Its totient is φ = 183500728.

The previous prime is 229375897. The next prime is 229375919. The reversal of 229375915 is 519573922.

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

It is a cyclic number.

It is not a de Polignac number, because 229375915 - 2⁷ = 229375787 is a prime.

It is a super-2 number, since 2×229375915² = 105226620764174450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229375919) 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, 22937587 + ... + 22937596.

It is an arithmetic number, because the mean of its divisors is an integer number (68812776).

Almost surely, 2^229375915 is an apocalyptic number.

229375915 is a deficient number, since it is larger than the sum of its proper divisors (45875189).

229375915 is an equidigital number, since it uses as much as digits as its factorization.

229375915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45875188.

The product of its digits is 170100, while the sum is 43.

The square root of 229375915 is about 15145.1614385585. The cubic root of 229375915 is about 612.1379028737.

The spelling of 229375915 in words is "two hundred twenty-nine million, three hundred seventy-five thousand, nine hundred fifteen".