228664708 has 12 divisors (see below), whose sum is σ = 409923612. Its totient is φ = 111543680.

The previous prime is 228664679. The next prime is 228664727. The reversal of 228664708 is 807466822.

It can be written as a sum of positive squares in 2 ways, for example, as 80604484 + 148060224 = 8978^2 + 12168^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696985 + ... + 697312.

It is an arithmetic number, because the mean of its divisors is an integer number (34160301).

Almost surely, 2^228664708 is an apocalyptic number.

It is an amenable number.

228664708 is a deficient number, since it is larger than the sum of its proper divisors (181258904).

228664708 is a wasteful number, since it uses less digits than its factorization.

228664708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394342 (or 1394340 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 228664708 is about 15121.6635328260. The cubic root of 228664708 is about 611.5045793380.

The spelling of 228664708 in words is "two hundred twenty-eight million, six hundred sixty-four thousand, seven hundred eight".