229040658 has 144 divisors (see below), whose sum is σ = 634390848. Its totient is φ = 58449600.

The previous prime is 229040657. The next prime is 229040659. The reversal of 229040658 is 856040922.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (229040657) and next prime (229040659).

It is not an unprimeable number, because it can be changed into a prime (229040653) 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 71 ways as a sum of consecutive naturals, for example, 1265328 + ... + 1265508.

It is an arithmetic number, because the mean of its divisors is an integer number (4405492).

Almost surely, 2^229040658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229040658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317195424).

229040658 is an abundant number, since it is smaller than the sum of its proper divisors (405350190).

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

229040658 is a wasteful number, since it uses less digits than its factorization.

229040658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 229040658 is about 15134.0892689319. The cubic root of 229040658 is about 611.8395228347.

The spelling of 229040658 in words is "two hundred twenty-nine million, forty thousand, six hundred fifty-eight".