229528658 has 16 divisors (see below), whose sum is σ = 349733376. Its totient is φ = 112956480.

The previous prime is 229528643. The next prime is 229528687. The reversal of 229528658 is 856825922.

229528658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 121610 + ... + 123482.

It is an arithmetic number, because the mean of its divisors is an integer number (21858336).

Almost surely, 2^229528658 is an apocalyptic number.

229528658 is a deficient number, since it is larger than the sum of its proper divisors (120204718).

229528658 is a wasteful number, since it uses less digits than its factorization.

229528658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809.

The product of its digits is 691200, while the sum is 47.

The square root of 229528658 is about 15150.2032329603. The cubic root of 229528658 is about 612.2737483385.

The spelling of 229528658 in words is "two hundred twenty-nine million, five hundred twenty-eight thousand, six hundred fifty-eight".