228318652 has 6 divisors (see below), whose sum is σ = 399557648. Its totient is φ = 114159324.

The previous prime is 228318637. The next prime is 228318659. The reversal of 228318652 is 256813822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228318659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28539828 + ... + 28539835.

Almost surely, 2^228318652 is an apocalyptic number.

It is an amenable number.

228318652 is a deficient number, since it is larger than the sum of its proper divisors (171238996).

228318652 is a wasteful number, since it uses less digits than its factorization.

228318652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57079667 (or 57079665 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 228318652 is about 15110.2168085041. The cubic root of 228318652 is about 611.1959445230.

The spelling of 228318652 in words is "two hundred twenty-eight million, three hundred eighteen thousand, six hundred fifty-two".