228507788330 has 8 divisors (see below), whose sum is σ = 411314019012. Its totient is φ = 91403115328.

The previous prime is 228507788329. The next prime is 228507788407. The reversal of 228507788330 is 33887705822.

It can be written as a sum of positive squares in 2 ways, for example, as 223160815201 + 5346973129 = 472399^2 + 73123^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11425389407 + ... + 11425389426.

Almost surely, 2^228507788330 is an apocalyptic number.

228507788330 is a deficient number, since it is larger than the sum of its proper divisors (182806230682).

228507788330 is a wasteful number, since it uses less digits than its factorization.

228507788330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22850778840.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 228507788330 in words is "two hundred twenty-eight billion, five hundred seven million, seven hundred eighty-eight thousand, three hundred thirty".