228236468 has 6 divisors (see below), whose sum is σ = 399413826. Its totient is φ = 114118232.

The previous prime is 228236447. The next prime is 228236479. The reversal of 228236468 is 864632822.

It can be written as a sum of positive squares in only one way, i.e., 205692964 + 22543504 = 14342^2 + 4748^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28529555 + ... + 28529562.

It is an arithmetic number, because the mean of its divisors is an integer number (66568971).

Almost surely, 2^228236468 is an apocalyptic number.

It is an amenable number.

228236468 is a deficient number, since it is larger than the sum of its proper divisors (171177358).

228236468 is a wasteful number, since it uses less digits than its factorization.

228236468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57059121 (or 57059119 counting only the distinct ones).

The product of its digits is 221184, while the sum is 41.

The square root of 228236468 is about 15107.4970792650. The cubic root of 228236468 is about 611.1226017699.

The spelling of 228236468 in words is "two hundred twenty-eight million, two hundred thirty-six thousand, four hundred sixty-eight".