228437480 has 16 divisors (see below), whose sum is σ = 513984420. Its totient is φ = 91374976.

The previous prime is 228437479. The next prime is 228437501. The reversal of 228437480 is 84734822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 227587396 + 850084 = 15086^2 + 922^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2855429 + ... + 2855508.

Almost surely, 2^228437480 is an apocalyptic number.

228437480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228437480 is an abundant number, since it is smaller than the sum of its proper divisors (285546940).

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

228437480 is a wasteful number, since it uses less digits than its factorization.

228437480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710948 (or 5710944 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 228437480 is about 15114.1483385601. The cubic root of 228437480 is about 611.3019580486.

The spelling of 228437480 in words is "two hundred twenty-eight million, four hundred thirty-seven thousand, four hundred eighty".