229520280 has 256 divisors, whose sum is σ = 796262400. Its totient is φ = 52416000.

The previous prime is 229520279. The next prime is 229520293. The reversal of 229520280 is 82025922.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2905281 + ... + 2905359.

It is an arithmetic number, because the mean of its divisors is an integer number (3110400).

Almost surely, 2^229520280 is an apocalyptic number.

229520280 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 229520280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398131200).

229520280 is an abundant number, since it is smaller than the sum of its proper divisors (566742120).

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

229520280 is a wasteful number, since it uses less digits than its factorization.

229520280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 229520280 is about 15149.9267324961. The cubic root of 229520280 is about 612.2662987358.

The spelling of 229520280 in words is "two hundred twenty-nine million, five hundred twenty thousand, two hundred eighty".