228966782 has 8 divisors (see below), whose sum is σ = 374672952. Its totient is φ = 104075800.

The previous prime is 228966779. The next prime is 228966791. The reversal of 228966782 is 287669822.

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

It is a self number, because there is not a number n which added to its sum of digits gives 228966782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5203769 + ... + 5203812.

It is an arithmetic number, because the mean of its divisors is an integer number (46834119).

Almost surely, 2^228966782 is an apocalyptic number.

228966782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228966782 is a deficient number, since it is larger than the sum of its proper divisors (145706170).

228966782 is a wasteful number, since it uses less digits than its factorization.

228966782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407594.

The product of its digits is 1161216, while the sum is 50.

The square root of 228966782 is about 15131.6483570033. The cubic root of 228966782 is about 611.7737337625.

The spelling of 228966782 in words is "two hundred twenty-eight million, nine hundred sixty-six thousand, seven hundred eighty-two".