228466480 has 40 divisors (see below), whose sum is σ = 579476304. Its totient is φ = 83078400.

The previous prime is 228466477. The next prime is 228466487. The reversal of 228466480 is 84664822.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (228466487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128931 + ... + 130690.

Almost surely, 2^228466480 is an apocalyptic number.

228466480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228466480 is an abundant number, since it is smaller than the sum of its proper divisors (351009824).

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

228466480 is a wasteful number, since it uses less digits than its factorization.

228466480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259645 (or 259639 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 228466480 is about 15115.1076741120. The cubic root of 228466480 is about 611.3278250920.

It can be divided in two parts, 2 and 28466480, that added together give a palindrome (28466482).

The spelling of 228466480 in words is "two hundred twenty-eight million, four hundred sixty-six thousand, four hundred eighty".