229031320 has 64 divisors (see below), whose sum is σ = 619948800. Its totient is φ = 74390400.

The previous prime is 229031291. The next prime is 229031351. The reversal of 229031320 is 23130922.

It is a junction number, because it is equal to n+sod(n) for n = 229031291 and 229031300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16206 + ... + 26845.

It is an arithmetic number, because the mean of its divisors is an integer number (9686700).

Almost surely, 2^229031320 is an apocalyptic number.

229031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229031320 is an abundant number, since it is smaller than the sum of its proper divisors (390917480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229031320 is a wasteful number, since it uses less digits than its factorization.

229031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43088 (or 43084 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 229031320 is about 15133.7807569688. The cubic root of 229031320 is about 611.8312078115.

The spelling of 229031320 in words is "two hundred twenty-nine million, thirty-one thousand, three hundred twenty".