226857702528 has 72 divisors (see below), whose sum is σ = 652853192745. Its totient is φ = 75613845504.

The previous prime is 226857702527. The next prime is 226857702559. The reversal of 226857702528 is 825207758622.

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.

226857702528 is a `hidden beast` number, since 2 + 2 + 68 + 57 + 7 + 0 + 2 + 528 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 186147376704 + 40710325824 = 431448^2 + 201768^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=336792.

It is not an unprimeable number, because it can be changed into a prime (226857702527) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16159000 + ... + 16173032.

Almost surely, 2^226857702528 is an apocalyptic number.

It is an amenable number.

226857702528 is an abundant number, since it is smaller than the sum of its proper divisors (425995490217).

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

226857702528 is an frugal number, since it uses more digits than its factorization.

226857702528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28086 (or 14038 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 226857702528 in words is "two hundred twenty-six billion, eight hundred fifty-seven million, seven hundred two thousand, five hundred twenty-eight".