229897644 has 24 divisors (see below), whose sum is σ = 564661440. Its totient is φ = 72599184.

The previous prime is 229897631. The next prime is 229897669. The reversal of 229897644 is 446798922.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503934 + ... + 504389.

It is an arithmetic number, because the mean of its divisors is an integer number (23527560).

Almost surely, 2^229897644 is an apocalyptic number.

It is an amenable number.

229897644 is an abundant number, since it is smaller than the sum of its proper divisors (334763796).

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

229897644 is a wasteful number, since it uses less digits than its factorization.

229897644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008349 (or 1008347 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 229897644 is about 15162.3759351890. The cubic root of 229897644 is about 612.6016659784.

The spelling of 229897644 in words is "two hundred twenty-nine million, eight hundred ninety-seven thousand, six hundred forty-four".