229071668 has 36 divisors (see below), whose sum is σ = 493762500. Its totient is φ = 92397312.

The previous prime is 229071659. The next prime is 229071683. The reversal of 229071668 is 866170922.

It can be written as a sum of positive squares in 2 ways, for example, as 91431844 + 137639824 = 9562^2 + 11732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31043 + ... + 37706.

It is an arithmetic number, because the mean of its divisors is an integer number (13715625).

Almost surely, 2^229071668 is an apocalyptic number.

229071668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

229071668 is an abundant number, since it is smaller than the sum of its proper divisors (264690832).

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

229071668 is a wasteful number, since it uses less digits than its factorization.

229071668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68784 (or 68775 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 229071668 is about 15135.1137425524. The cubic root of 229071668 is about 611.8671340713.

The spelling of 229071668 in words is "two hundred twenty-nine million, seventy-one thousand, six hundred sixty-eight".