229886540 has 48 divisors (see below), whose sum is σ = 523719840. Its totient is φ = 84257280.

The previous prime is 229886539. The next prime is 229886621. The reversal of 229886540 is 45688922.

It is a junction number, because it is equal to n+sod(n) for n = 229886491 and 229886500.

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, 32960 + ... + 39320.

It is an arithmetic number, because the mean of its divisors is an integer number (10910830).

Almost surely, 2^229886540 is an apocalyptic number.

229886540 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 229886540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261859920).

229886540 is an abundant number, since it is smaller than the sum of its proper divisors (293833300).

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

229886540 is a wasteful number, since it uses less digits than its factorization.

229886540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6522 (or 6520 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 229886540 is about 15162.0097612421. The cubic root of 229886540 is about 612.5918029827.

The spelling of 229886540 in words is "two hundred twenty-nine million, eight hundred eighty-six thousand, five hundred forty".