229005780 has 24 divisors (see below), whose sum is σ = 641216352. Its totient is φ = 61068192.

The previous prime is 229005769. The next prime is 229005797. The reversal of 229005780 is 87500922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1908322 + ... + 1908441.

It is an arithmetic number, because the mean of its divisors is an integer number (26717348).

Almost surely, 2^229005780 is an apocalyptic number.

229005780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229005780 is an abundant number, since it is smaller than the sum of its proper divisors (412210572).

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

229005780 is a wasteful number, since it uses less digits than its factorization.

229005780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816775 (or 3816773 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 229005780 is about 15132.9369257920. The cubic root of 229005780 is about 611.8084645612.

It can be divided in two parts, 22900 and 5780, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 229005780 in words is "two hundred twenty-nine million, five thousand, seven hundred eighty".