229036784 has 20 divisors (see below), whose sum is σ = 469862784. Its totient is φ = 107781888.

The previous prime is 229036777. The next prime is 229036789. The reversal of 229036784 is 487630922.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229036789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420752 + ... + 421295.

Almost surely, 2^229036784 is an apocalyptic number.

It is an amenable number.

229036784 is an abundant number, since it is smaller than the sum of its proper divisors (240826000).

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

229036784 is a wasteful number, since it uses less digits than its factorization.

229036784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842072 (or 842066 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 229036784 is about 15133.9612791893. The cubic root of 229036784 is about 611.8360732584.

The spelling of 229036784 in words is "two hundred twenty-nine million, thirty-six thousand, seven hundred eighty-four".