228333348 has 18 divisors (see below), whose sum is σ = 577176054. Its totient is φ = 76111104.

The previous prime is 228333331. The next prime is 228333353. The reversal of 228333348 is 843333822.

It is a happy number.

228333348 is a `hidden beast` number, since 2 + 283 + 33 + 348 = 666.

It can be written as a sum of positive squares in only one way, i.e., 224460324 + 3873024 = 14982^2 + 1968^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×228333348² = 104272235617778208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6342593 = 228333348 / (2 + 2 + 8 + 3 + 3 + 3 + 3 + 4 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3171261 + ... + 3171332.

Almost surely, 2^228333348 is an apocalyptic number.

It is an amenable number.

228333348 is an abundant number, since it is smaller than the sum of its proper divisors (348842706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228333348 is a wasteful number, since it uses less digits than its factorization.

228333348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6342603 (or 6342598 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 228333348 is about 15110.7030941647. The cubic root of 228333348 is about 611.2090576915.

The spelling of 228333348 in words is "two hundred twenty-eight million, three hundred thirty-three thousand, three hundred forty-eight".