229777884 has 84 divisors (see below), whose sum is σ = 689079664. Its totient is φ = 65644992.

The previous prime is 229777879. The next prime is 229777897. The reversal of 229777884 is 488777922.

229777884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 229777884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14784 + ... + 26040.

Almost surely, 2^229777884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229777884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344539832).

229777884 is an abundant number, since it is smaller than the sum of its proper divisors (459301780).

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

229777884 is a wasteful number, since it uses less digits than its factorization.

229777884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11286 (or 11269 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 229777884 is about 15158.4261716050. The cubic root of 229777884 is about 612.4952738216.

The spelling of 229777884 in words is "two hundred twenty-nine million, seven hundred seventy-seven thousand, eight hundred eighty-four".