229028664 has 64 divisors (see below), whose sum is σ = 611424000. Its totient is φ = 71318016.

The previous prime is 229028647. The next prime is 229028669. The reversal of 229028664 is 466820922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229028669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18912 + ... + 28560.

It is an arithmetic number, because the mean of its divisors is an integer number (9553500).

Almost surely, 2^229028664 is an apocalyptic number.

229028664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229028664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305712000).

229028664 is an abundant number, since it is smaller than the sum of its proper divisors (382395336).

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

229028664 is a wasteful number, since it uses less digits than its factorization.

229028664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9724 (or 9720 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 229028664 is about 15133.6930060048. The cubic root of 229028664 is about 611.8288427348.

The spelling of 229028664 in words is "two hundred twenty-nine million, twenty-eight thousand, six hundred sixty-four".