229123906 has 24 divisors (see below), whose sum is σ = 387995580. Its totient is φ = 101328480.

The previous prime is 229123903. The next prime is 229123969. The reversal of 229123906 is 609321922.

It can be written as a sum of positive squares in 2 ways, for example, as 183358681 + 45765225 = 13541^2 + 6765^2 .

It is not an unprimeable number, because it can be changed into a prime (229123901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3841 + ... + 21748.

Almost surely, 2^229123906 is an apocalyptic number.

229123906 is a deficient number, since it is larger than the sum of its proper divisors (158871674).

229123906 is a wasteful number, since it uses less digits than its factorization.

229123906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25650 (or 25639 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 229123906 is about 15136.8393662614. The cubic root of 229123906 is about 611.9136410391.

The spelling of 229123906 in words is "two hundred twenty-nine million, one hundred twenty-three thousand, nine hundred six".