226404647005 has 4 divisors (see below), whose sum is σ = 271685576412. Its totient is φ = 181123717600.

The previous prime is 226404646999. The next prime is 226404647009. The reversal of 226404647005 is 500746404622.

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 113107106596 + 113297540409 = 336314^2 + 336597^2 .

It is not a de Polignac number, because 226404647005 - 2⁹ = 226404646493 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 (226404647009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22640464696 + ... + 22640464705.

It is an arithmetic number, because the mean of its divisors is an integer number (67921394103).

Almost surely, 2^226404647005 is an apocalyptic number.

It is an amenable number.

226404647005 is a deficient number, since it is larger than the sum of its proper divisors (45280929407).

226404647005 is an equidigital number, since it uses as much as digits as its factorization.

226404647005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45280929406.

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 226404647005 in words is "two hundred twenty-six billion, four hundred four million, six hundred forty-seven thousand, five".