229399120 has 40 divisors (see below), whose sum is σ = 535430016. Its totient is φ = 91402368.

The previous prime is 229399097. The next prime is 229399123. The reversal of 229399120 is 21993922.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 229399120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229399123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15589 + ... + 26491.

Almost surely, 2^229399120 is an apocalyptic number.

229399120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229399120 is an abundant number, since it is smaller than the sum of its proper divisors (306030896).

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

229399120 is a wasteful number, since it uses less digits than its factorization.

229399120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11179 (or 11173 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 229399120 is about 15145.9275054385. The cubic root of 229399120 is about 612.1585446530.

The spelling of 229399120 in words is "two hundred twenty-nine million, three hundred ninety-nine thousand, one hundred twenty".