228272929597 has 4 divisors (see below), whose sum is σ = 228284609436. Its totient is φ = 228261249760.

The previous prime is 228272929561. The next prime is 228272929627. The reversal of 228272929597 is 795929272822.

228272929597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 169168512601 + 59104416996 = 411301^2 + 243114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228272929597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228272929397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5810554 + ... + 5849707.

It is an arithmetic number, because the mean of its divisors is an integer number (57071152359).

Almost surely, 2^228272929597 is an apocalyptic number.

It is an amenable number.

228272929597 is a deficient number, since it is larger than the sum of its proper divisors (11679839).

228272929597 is a wasteful number, since it uses less digits than its factorization.

228272929597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11679838.

The product of its digits is 45722880, while the sum is 64.

The spelling of 228272929597 in words is "two hundred twenty-eight billion, two hundred seventy-two million, nine hundred twenty-nine thousand, five hundred ninety-seven".