229086792997921 has 8 divisors (see below), whose sum is σ = 231688279929600. Its totient is φ = 226485916689120.

The previous prime is 229086792997919. The next prime is 229086792997969. The reversal of 229086792997921 is 129799297680922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 229086792997921 - 2¹ = 229086792997919 is a prime.

It is a super-2 number, since 2×229086792997921² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229086792997991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151901101 + ... + 153401818.

It is an arithmetic number, because the mean of its divisors is an integer number (28961034991200).

Almost surely, 2^{229086792997921} is an apocalyptic number.

It is an amenable number.

229086792997921 is a deficient number, since it is larger than the sum of its proper divisors (2601486931679).

229086792997921 is an equidigital number, since it uses as much as digits as its factorization.

229086792997921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305311439.

The product of its (nonzero) digits is 2222131968, while the sum is 82.

The spelling of 229086792997921 in words is "two hundred twenty-nine trillion, eighty-six billion, seven hundred ninety-two million, nine hundred ninety-seven thousand, nine hundred twenty-one".