228373332 has 24 divisors (see below), whose sum is σ = 581314272. Its totient is φ = 69204000.

The previous prime is 228373303. The next prime is 228373333. The reversal of 228373332 is 233373822.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 228373293 and 228373302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228373333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864919 + ... + 865182.

It is an arithmetic number, because the mean of its divisors is an integer number (24221428).

Almost surely, 2^228373332 is an apocalyptic number.

228373332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

228373332 is an abundant number, since it is smaller than the sum of its proper divisors (352940940).

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

228373332 is a wasteful number, since it uses less digits than its factorization.

228373332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730119 (or 1730117 counting only the distinct ones).

The product of its digits is 36288, while the sum is 33.

The square root of 228373332 is about 15112.0260719733. The cubic root of 228373332 is about 611.2447323704.

The spelling of 228373332 in words is "two hundred twenty-eight million, three hundred seventy-three thousand, three hundred thirty-two".