229358916 has 18 divisors (see below), whose sum is σ = 579768462. Its totient is φ = 76452960.

The previous prime is 229358911. The next prime is 229358929. The reversal of 229358916 is 619853922.

It can be written as a sum of positive squares in only one way, i.e., 152621316 + 76737600 = 12354^2 + 8760^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (229358911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3185505 + ... + 3185576.

It is an arithmetic number, because the mean of its divisors is an integer number (32209359).

Almost surely, 2^229358916 is an apocalyptic number.

It is an amenable number.

229358916 is an abundant number, since it is smaller than the sum of its proper divisors (350409546).

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

229358916 is a wasteful number, since it uses less digits than its factorization.

229358916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371091 (or 6371086 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 229358916 is about 15144.6002258231. The cubic root of 229358916 is about 612.1227806971.

The spelling of 229358916 in words is "two hundred twenty-nine million, three hundred fifty-eight thousand, nine hundred sixteen".