229502840 has 32 divisors (see below), whose sum is σ = 590150880. Its totient is φ = 78686592.

The previous prime is 229502837. The next prime is 229502869. The reversal of 229502840 is 48205922.

It is a junction number, because it is equal to n+sod(n) for n = 229502797 and 229502806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409547 + ... + 410106.

It is an arithmetic number, because the mean of its divisors is an integer number (18442215).

Almost surely, 2^229502840 is an apocalyptic number.

229502840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229502840 is an abundant number, since it is smaller than the sum of its proper divisors (360648040).

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

229502840 is a wasteful number, since it uses less digits than its factorization.

229502840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819671 (or 819667 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 229502840 is about 15149.3511412205. The cubic root of 229502840 is about 612.2507907457.

The spelling of 229502840 in words is "two hundred twenty-nine million, five hundred two thousand, eight hundred forty".