228487630 has 16 divisors (see below), whose sum is σ = 470031840. Its totient is φ = 78338592.

The previous prime is 228487627. The next prime is 228487631. The reversal of 228487630 is 36784822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228487631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631985 + ... + 1632124.

It is an arithmetic number, because the mean of its divisors is an integer number (29376990).

Almost surely, 2^228487630 is an apocalyptic number.

228487630 is an abundant number, since it is smaller than the sum of its proper divisors (241544210).

228487630 is a wasteful number, since it uses less digits than its factorization.

228487630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264123.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 228487630 is about 15115.8072890600. The cubic root of 228487630 is about 611.3466888141.

The spelling of 228487630 in words is "two hundred twenty-eight million, four hundred eighty-seven thousand, six hundred thirty".