228303450 has 72 divisors (see below), whose sum is σ = 623844000. Its totient is φ = 59842080.

The previous prime is 228303433. The next prime is 228303473. The reversal of 228303450 is 54303822.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22251 + ... + 30849.

It is an arithmetic number, because the mean of its divisors is an integer number (8664500).

Almost surely, 2^228303450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228303450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311922000).

228303450 is an abundant number, since it is smaller than the sum of its proper divisors (395540550).

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

228303450 is a wasteful number, since it uses less digits than its factorization.

228303450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8676 (or 8668 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 228303450 is about 15109.7137630069. The cubic root of 228303450 is about 611.1823792610.

The spelling of 228303450 in words is "two hundred twenty-eight million, three hundred three thousand, four hundred fifty".