229191384 has 32 divisors (see below), whose sum is σ = 580831920. Its totient is φ = 75350016.

The previous prime is 229191373. The next prime is 229191449. The reversal of 229191384 is 483191922.

229191384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×229191384³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 63657 + ... + 67160.

Almost surely, 2^229191384 is an apocalyptic number.

229191384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

229191384 is an abundant number, since it is smaller than the sum of its proper divisors (351640536).

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

229191384 is a wasteful number, since it uses less digits than its factorization.

229191384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130899 (or 130895 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 229191384 is about 15139.0681351264. The cubic root of 229191384 is about 611.9737055643.

The spelling of 229191384 in words is "two hundred twenty-nine million, one hundred ninety-one thousand, three hundred eighty-four".