228165512 has 8 divisors (see below), whose sum is σ = 427810350. Its totient is φ = 114082752.

The previous prime is 228165503. The next prime is 228165541. The reversal of 228165512 is 215561822.

It can be written as a sum of positive squares in only one way, i.e., 220403716 + 7761796 = 14846^2 + 2786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 14260337 + ... + 14260352.

Almost surely, 2^228165512 is an apocalyptic number.

It is an amenable number.

228165512 is a deficient number, since it is larger than the sum of its proper divisors (199644838).

228165512 is a wasteful number, since it uses less digits than its factorization.

228165512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28520695 (or 28520691 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 228165512 is about 15105.1485262476. The cubic root of 228165512 is about 611.0592649594.

The spelling of 228165512 in words is "two hundred twenty-eight million, one hundred sixty-five thousand, five hundred twelve".