228519932 has 6 divisors (see below), whose sum is σ = 399909888. Its totient is φ = 114259964.

The previous prime is 228519923. The next prime is 228519943. The reversal of 228519932 is 239915822.

It is a self number, because there is not a number n which added to its sum of digits gives 228519932.

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, 28564988 + ... + 28564995.

It is an arithmetic number, because the mean of its divisors is an integer number (66651648).

Almost surely, 2^228519932 is an apocalyptic number.

It is an amenable number.

228519932 is a deficient number, since it is larger than the sum of its proper divisors (171389956).

228519932 is a wasteful number, since it uses less digits than its factorization.

228519932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57129987 (or 57129985 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 228519932 is about 15116.8757354157. The cubic root of 228519932 is about 611.3754967780.

The spelling of 228519932 in words is "two hundred twenty-eight million, five hundred nineteen thousand, nine hundred thirty-two".