229081284747 has 24 divisors (see below), whose sum is σ = 400410986976. Its totient is φ = 123203379456.

The previous prime is 229081284727. The next prime is 229081284893. The reversal of 229081284747 is 747482180922.

229081284747 is a `hidden beast` number, since 2 + 2 + 90 + 81 + 2 + 8 + 474 + 7 = 666.

It is not a de Polignac number, because 229081284747 - 2¹⁰ = 229081283723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229081284693 and 229081284702.

It is not an unprimeable number, because it can be changed into a prime (229081284727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106946308 + ... + 106948449.

It is an arithmetic number, because the mean of its divisors is an integer number (16683791124).

Almost surely, 2^229081284747 is an apocalyptic number.

229081284747 is a deficient number, since it is larger than the sum of its proper divisors (171329702229).

229081284747 is a wasteful number, since it uses less digits than its factorization.

229081284747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213894787 (or 213894784 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 229081284747 in words is "two hundred twenty-nine billion, eighty-one million, two hundred eighty-four thousand, seven hundred forty-seven".