228344980 has 12 divisors (see below), whose sum is σ = 479524500. Its totient is φ = 91337984.

The previous prime is 228344971. The next prime is 228344981. The reversal of 228344980 is 89443822.

It can be written as a sum of positive squares in 2 ways, for example, as 74684164 + 153660816 = 8642^2 + 12396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228344981) 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, 5708605 + ... + 5708644.

It is an arithmetic number, because the mean of its divisors is an integer number (39960375).

Almost surely, 2^228344980 is an apocalyptic number.

228344980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228344980 is an abundant number, since it is smaller than the sum of its proper divisors (251179520).

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

228344980 is a wasteful number, since it uses less digits than its factorization.

228344980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11417258 (or 11417256 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 228344980 is about 15111.0879820084. The cubic root of 228344980 is about 611.2194364690.

The spelling of 228344980 in words is "two hundred twenty-eight million, three hundred forty-four thousand, nine hundred eighty".