229308240 has 480 divisors, whose sum is σ = 928226304. Its totient is φ = 46448640.

The previous prime is 229308239. The next prime is 229308319. The reversal of 229308240 is 42803922.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 229308198 and 229308207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6197502 + ... + 6197538.

Almost surely, 2^229308240 is an apocalyptic number.

229308240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229308240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464113152).

229308240 is an abundant number, since it is smaller than the sum of its proper divisors (698918064).

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

229308240 is a wasteful number, since it uses less digits than its factorization.

229308240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 229308240 is about 15142.9270618332. The cubic root of 229308240 is about 612.0776952921.

The spelling of 229308240 in words is "two hundred twenty-nine million, three hundred eight thousand, two hundred forty".