228293353472 has 42 divisors (see below), whose sum is σ = 456645341343. Its totient is φ = 114125053952.

The previous prime is 228293353433. The next prime is 228293353489. The reversal of 228293353472 is 274353392822.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 114146676736 + 114146676736 = 337856^2 + 337856^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337856.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228293353472.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 43242929 + ... + 43248207.

Almost surely, 2^228293353472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228293353472

228293353472 is an abundant number, since it is smaller than the sum of its proper divisors (228351987871).

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

228293353472 is an frugal number, since it uses more digits than its factorization.

228293353472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10584 (or 5281 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 50.

Multiplying 228293353472 by its sum of digits (50), we get a square (11414667673600 = 3378560²).

The spelling of 228293353472 in words is "two hundred twenty-eight billion, two hundred ninety-three million, three hundred fifty-three thousand, four hundred seventy-two".