229121910 has 48 divisors (see below), whose sum is σ = 604624176. Its totient is φ = 60185664.

The previous prime is 229121909. The next prime is 229121911. The reversal of 229121910 is 19121922.

229121910 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (229121909) and next prime (229121911).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229121911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12969 + ... + 25028.

It is an arithmetic number, because the mean of its divisors is an integer number (12596337).

Almost surely, 2^229121910 is an apocalyptic number.

229121910 is an abundant number, since it is smaller than the sum of its proper divisors (375502266).

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

229121910 is a wasteful number, since it uses less digits than its factorization.

229121910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38077 (or 38074 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 229121910 is about 15136.7734342561. The cubic root of 229121910 is about 611.9118641502.

The spelling of 229121910 in words is "two hundred twenty-nine million, one hundred twenty-one thousand, nine hundred ten".