228901899272 has 108 divisors (see below), whose sum is σ = 453508139565. Its totient is φ = 108312048960.

The previous prime is 228901899263. The next prime is 228901899299. The reversal of 228901899272 is 272998109822.

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 2 ways, for example, as 155051662756 + 73850236516 = 393766^2 + 271754^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338306.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3752490122 + ... + 3752490182.

Almost surely, 2^228901899272 is an apocalyptic number.

It is an amenable number.

228901899272 is a deficient number, since it is larger than the sum of its proper divisors (224606240293).

228901899272 is an frugal number, since it uses more digits than its factorization.

228901899272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 228901899272 in words is "two hundred twenty-eight billion, nine hundred one million, eight hundred ninety-nine thousand, two hundred seventy-two".