229156560 has 160 divisors (see below), whose sum is σ = 794234880. Its totient is φ = 60728832.

The previous prime is 229156559. The next prime is 229156573. The reversal of 229156560 is 65651922.

229156560 is a `hidden beast` number, since 2 + 2 + 91 + 5 + 6 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 598129 + ... + 598511.

It is an arithmetic number, because the mean of its divisors is an integer number (4963968).

Almost surely, 2^229156560 is an apocalyptic number.

229156560 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 229156560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397117440).

229156560 is an abundant number, since it is smaller than the sum of its proper divisors (565078320).

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

229156560 is a wasteful number, since it uses less digits than its factorization.

229156560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 229156560 is about 15137.9179545934. The cubic root of 229156560 is about 611.9427089776.

The spelling of 229156560 in words is "two hundred twenty-nine million, one hundred fifty-six thousand, five hundred sixty".