229570540 has 48 divisors (see below), whose sum is σ = 510289920. Its totient is φ = 86512320.

The previous prime is 229570501. The next prime is 229570541. The reversal of 229570540 is 45075922.

It is a junction number, because it is equal to n+sod(n) for n = 229570496 and 229570505.

It is not an unprimeable number, because it can be changed into a prime (229570541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70999 + ... + 74161.

It is an arithmetic number, because the mean of its divisors is an integer number (10631040).

Almost surely, 2^229570540 is an apocalyptic number.

229570540 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 229570540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255144960).

229570540 is an abundant number, since it is smaller than the sum of its proper divisors (280719380).

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

229570540 is a wasteful number, since it uses less digits than its factorization.

229570540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 229570540 is about 15151.5853955947. The cubic root of 229570540 is about 612.3109865201.

The spelling of 229570540 in words is "two hundred twenty-nine million, five hundred seventy thousand, five hundred forty".