228538652 has 12 divisors (see below), whose sum is σ = 400809696. Its totient is φ = 114021600.

The previous prime is 228538643. The next prime is 228538663. The reversal of 228538652 is 256835822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59849 + ... + 63552.

It is an arithmetic number, because the mean of its divisors is an integer number (33400808).

Almost surely, 2^228538652 is an apocalyptic number.

It is an amenable number.

228538652 is a deficient number, since it is larger than the sum of its proper divisors (172271044).

228538652 is a wasteful number, since it uses less digits than its factorization.

228538652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123868 (or 123866 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 228538652 is about 15117.4948982958. The cubic root of 228538652 is about 611.3921906345.

The spelling of 228538652 in words is "two hundred twenty-eight million, five hundred thirty-eight thousand, six hundred fifty-two".