228886830 has 32 divisors (see below), whose sum is σ = 610365600. Its totient is φ = 61036416.

The previous prime is 228886829. The next prime is 228886837. The reversal of 228886830 is 38688822.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228886837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423595 + ... + 424134.

It is an arithmetic number, because the mean of its divisors is an integer number (19073925).

Almost surely, 2^228886830 is an apocalyptic number.

228886830 is an abundant number, since it is smaller than the sum of its proper divisors (381478770).

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

228886830 is a wasteful number, since it uses less digits than its factorization.

228886830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847745 (or 847739 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 228886830 is about 15129.0062462807. The cubic root of 228886830 is about 611.7025178603.

The spelling of 228886830 in words is "two hundred twenty-eight million, eight hundred eighty-six thousand, eight hundred thirty".