228806480 has 60 divisors (see below), whose sum is σ = 618838740. Its totient is φ = 78446592.

The previous prime is 228806471. The next prime is 228806489. The reversal of 228806480 is 84608822.

228806480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228806471) and next prime (228806489).

It can be written as a sum of positive squares in 2 ways, for example, as 102738496 + 126067984 = 10136^2 + 11228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228806489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25265 + ... + 33104.

It is an arithmetic number, because the mean of its divisors is an integer number (10313979).

Almost surely, 2^228806480 is an apocalyptic number.

228806480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228806480 is an abundant number, since it is smaller than the sum of its proper divisors (390032260).

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

228806480 is a wasteful number, since it uses less digits than its factorization.

228806480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58396 (or 58383 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 228806480 is about 15126.3505182182. The cubic root of 228806480 is about 611.6309307361.

The spelling of 228806480 in words is "two hundred twenty-eight million, eight hundred six thousand, four hundred eighty".