228738030 has 16 divisors (see below), whose sum is σ = 548971344. Its totient is φ = 60996800.

The previous prime is 228738023. The next prime is 228738053. The reversal of 228738030 is 30837822.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 228737982 and 228738000.

It is a congruent 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, 3812271 + ... + 3812330.

It is an arithmetic number, because the mean of its divisors is an integer number (34310709).

Almost surely, 2^228738030 is an apocalyptic number.

228738030 is an abundant number, since it is smaller than the sum of its proper divisors (320233314).

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

228738030 is a wasteful number, since it uses less digits than its factorization.

228738030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624611.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 228738030 is about 15124.0877410838. The cubic root of 228738030 is about 611.5699325907.

It can be divided in two parts, 22873 and 8030, that added together give a palindrome (30903).

The spelling of 228738030 in words is "two hundred twenty-eight million, seven hundred thirty-eight thousand, thirty".