229698688 has 16 divisors (see below), whose sum is σ = 457603110. Its totient is φ = 114849280.

The previous prime is 229698683. The next prime is 229698727. The reversal of 229698688 is 886896922.

It can be written as a sum of positive squares in only one way, i.e., 121705024 + 107993664 = 11032^2 + 10392^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×229698688² = 105522974537842688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229698683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 897133 + ... + 897388.

Almost surely, 2^229698688 is an apocalyptic number.

It is an amenable number.

229698688 is a deficient number, since it is larger than the sum of its proper divisors (227904422).

229698688 is an equidigital number, since it uses as much as digits as its factorization.

229698688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794535 (or 1794523 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 58.

The square root of 229698688 is about 15155.8136700080. The cubic root of 229698688 is about 612.4248975249.

The spelling of 229698688 in words is "two hundred twenty-nine million, six hundred ninety-eight thousand, six hundred eighty-eight".