228076780 has 12 divisors (see below), whose sum is σ = 478961280. Its totient is φ = 91230704.

The previous prime is 228076733. The next prime is 228076781. The reversal of 228076780 is 87670822.

228076780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228076781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5701900 + ... + 5701939.

It is an arithmetic number, because the mean of its divisors is an integer number (39913440).

Almost surely, 2^228076780 is an apocalyptic number.

228076780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228076780 is an abundant number, since it is smaller than the sum of its proper divisors (250884500).

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

228076780 is a wasteful number, since it uses less digits than its factorization.

228076780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11403848 (or 11403846 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 228076780 is about 15102.2110963925. The cubic root of 228076780 is about 610.9800424388.

The spelling of 228076780 in words is "two hundred twenty-eight million, seventy-six thousand, seven hundred eighty".