228339450 has 36 divisors (see below), whose sum is σ = 613473198. Its totient is φ = 60890400.

The previous prime is 228339431. The next prime is 228339457. The reversal of 228339450 is 54933822.

It can be written as a sum of positive squares in 3 ways, for example, as 123010281 + 105329169 = 11091^2 + 10263^2 .

It is not an unprimeable number, because it can be changed into a prime (228339457) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 253261 + ... + 254160.

Almost surely, 2^228339450 is an apocalyptic number.

228339450 is an abundant number, since it is smaller than the sum of its proper divisors (385133748).

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

228339450 is a wasteful number, since it uses less digits than its factorization.

228339450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507439 (or 507431 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 228339450 is about 15110.9050026794. The cubic root of 228339450 is about 611.2145023108.

The spelling of 228339450 in words is "two hundred twenty-eight million, three hundred thirty-nine thousand, four hundred fifty".