229699647 has 6 divisors (see below), whose sum is σ = 331788392. Its totient is φ = 153133092.

The previous prime is 229699637. The next prime is 229699667. The reversal of 229699647 is 746996922.

It is not a de Polignac number, because 229699647 - 2¹⁴ = 229683263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229699593 and 229699602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229699627) 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, 12761083 + ... + 12761100.

Almost surely, 2^229699647 is an apocalyptic number.

229699647 is a deficient number, since it is larger than the sum of its proper divisors (102088745).

229699647 is a wasteful number, since it uses less digits than its factorization.

229699647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25522189 (or 25522186 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 229699647 is about 15155.8453079992. The cubic root of 229699647 is about 612.4257498221.

The spelling of 229699647 in words is "two hundred twenty-nine million, six hundred ninety-nine thousand, six hundred forty-seven".