204722412347 has 2 divisors, whose sum is σ = 204722412348. Its totient is φ = 204722412346.

The previous prime is 204722412343. The next prime is 204722412361. The reversal of 204722412347 is 743214227402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204722412347 - 2² = 204722412343 is a prime.

It is a super-2 number, since 2×204722412347² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204722412347.

It is not a weakly prime, because it can be changed into another prime (204722412343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102361206173 + 102361206174.

It is an arithmetic number, because the mean of its divisors is an integer number (102361206174).

Almost surely, 2^204722412347 is an apocalyptic number.

204722412347 is a deficient number, since it is larger than the sum of its proper divisors (1).

204722412347 is an equidigital number, since it uses as much as digits as its factorization.

204722412347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 38.

Adding to 204722412347 its reverse (743214227402), we get a palindrome (947936639749).

The spelling of 204722412347 in words is "two hundred four billion, seven hundred twenty-two million, four hundred twelve thousand, three hundred forty-seven".