228322733 has 8 divisors (see below), whose sum is σ = 247376448. Its totient is φ = 209893824.

The previous prime is 228322711. The next prime is 228322741. The reversal of 228322733 is 337223822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228322733 - 2⁸ = 228322477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228322733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228322033) 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 in 7 ways as a sum of consecutive naturals, for example, 155441 + ... + 156902.

It is an arithmetic number, because the mean of its divisors is an integer number (30922056).

Almost surely, 2^228322733 is an apocalyptic number.

It is an amenable number.

228322733 is a deficient number, since it is larger than the sum of its proper divisors (19053715).

228322733 is a wasteful number, since it uses less digits than its factorization.

228322733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312403.

The product of its digits is 24192, while the sum is 32.

The square root of 228322733 is about 15110.3518489809. The cubic root of 228322733 is about 611.1995860357.

The spelling of 228322733 in words is "two hundred twenty-eight million, three hundred twenty-two thousand, seven hundred thirty-three".