228206480 has 20 divisors (see below), whose sum is σ = 530580252. Its totient is φ = 91282560.

The previous prime is 228206477. The next prime is 228206501. The reversal of 228206480 is 84602822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41938576 + 186267904 = 6476^2 + 13648^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426211 + ... + 1426370.

Almost surely, 2^228206480 is an apocalyptic number.

228206480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228206480 is an abundant number, since it is smaller than the sum of its proper divisors (302373772).

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

228206480 is a wasteful number, since it uses less digits than its factorization.

228206480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852594 (or 2852588 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 228206480 is about 15106.5045592950. The cubic root of 228206480 is about 611.0958354553.

The spelling of 228206480 in words is "two hundred twenty-eight million, two hundred six thousand, four hundred eighty".