229194816 has 224 divisors, whose sum is σ = 695236608. Its totient is φ = 66232320.

The previous prime is 229194703. The next prime is 229194817. The reversal of 229194816 is 618491922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229194817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3228061 + ... + 3228131.

Almost surely, 2^229194816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229194816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347618304).

229194816 is an abundant number, since it is smaller than the sum of its proper divisors (466041792).

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

229194816 is a wasteful number, since it uses less digits than its factorization.

229194816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 159 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 229194816 is about 15139.1814838187. The cubic root of 229194816 is about 611.9767601923.

The spelling of 229194816 in words is "two hundred twenty-nine million, one hundred ninety-four thousand, eight hundred sixteen".