229331919 has 16 divisors (see below), whose sum is σ = 335865600. Its totient is φ = 138542976.

The previous prime is 229331911. The next prime is 229331951. The reversal of 229331919 is 919133922.

It is not a de Polignac number, because 229331919 - 2³ = 229331911 is a prime.

It is a super-2 number, since 2×229331919² = 105186258144445122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229331911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86154 + ... + 88775.

It is an arithmetic number, because the mean of its divisors is an integer number (20991600).

Almost surely, 2^229331919 is an apocalyptic number.

229331919 is a deficient number, since it is larger than the sum of its proper divisors (106533681).

229331919 is a wasteful number, since it uses less digits than its factorization.

229331919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174974.

The product of its digits is 26244, while the sum is 39.

The square root of 229331919 is about 15143.7088918138. The cubic root of 229331919 is about 612.0987628427.

The spelling of 229331919 in words is "two hundred twenty-nine million, three hundred thirty-one thousand, nine hundred nineteen".