228666052 has 6 divisors (see below), whose sum is σ = 400165598. Its totient is φ = 114333024.

The previous prime is 228666049. The next prime is 228666059. The reversal of 228666052 is 250666822.

It can be written as a sum of positive squares in only one way, i.e., 139854276 + 88811776 = 11826^2 + 9424^2 .

It is not an unprimeable number, because it can be changed into a prime (228666059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28583253 + ... + 28583260.

Almost surely, 2^228666052 is an apocalyptic number.

It is an amenable number.

228666052 is a deficient number, since it is larger than the sum of its proper divisors (171499546).

228666052 is a wasteful number, since it uses less digits than its factorization.

228666052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57166517 (or 57166515 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 228666052 is about 15121.7079723158. The cubic root of 228666052 is about 611.5057773957.

The spelling of 228666052 in words is "two hundred twenty-eight million, six hundred sixty-six thousand, fifty-two".