228397052 has 24 divisors (see below), whose sum is σ = 431533200. Its totient is φ = 105146496.

The previous prime is 228397033. The next prime is 228397063. The reversal of 228397052 is 250793822.

It is a junction number, because it is equal to n+sod(n) for n = 228396997 and 228397015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15899 + ... + 26637.

It is an arithmetic number, because the mean of its divisors is an integer number (17980550).

Almost surely, 2^228397052 is an apocalyptic number.

It is an amenable number.

228397052 is a deficient number, since it is larger than the sum of its proper divisors (203136148).

228397052 is a wasteful number, since it uses less digits than its factorization.

228397052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11165 (or 11163 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 228397052 is about 15112.8108570180. The cubic root of 228397052 is about 611.2658939526.

The spelling of 228397052 in words is "two hundred twenty-eight million, three hundred ninety-seven thousand, fifty-two".