228902663 has 8 divisors (see below), whose sum is σ = 252185616. Its totient is φ = 206032000.

The previous prime is 228902623. The next prime is 228902689. The reversal of 228902663 is 366209822.

228902663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228902663 - 2⁶ = 228902599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228902623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101906 + ... + 104127.

It is an arithmetic number, because the mean of its divisors is an integer number (31523202).

Almost surely, 2^228902663 is an apocalyptic number.

228902663 is a deficient number, since it is larger than the sum of its proper divisors (23282953).

228902663 is a wasteful number, since it uses less digits than its factorization.

228902663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206145.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 228902663 is about 15129.5295035900. The cubic root of 228902663 is about 611.7166221560.

The spelling of 228902663 in words is "two hundred twenty-eight million, nine hundred two thousand, six hundred sixty-three".