226743720617 has 4 divisors (see below), whose sum is σ = 226745214420. Its totient is φ = 226742226816.

The previous prime is 226743720611. The next prime is 226743720649. The reversal of 226743720617 is 716027347622.

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 31292194816 + 195451525801 = 176896^2 + 442099^2 .

It is a cyclic number.

It is not a de Polignac number, because 226743720617 - 2²² = 226739526313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226743720611) 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, 489692 + ... + 832637.

It is an arithmetic number, because the mean of its divisors is an integer number (56686303605).

Almost surely, 2^226743720617 is an apocalyptic number.

It is an amenable number.

226743720617 is a deficient number, since it is larger than the sum of its proper divisors (1493803).

226743720617 is a wasteful number, since it uses less digits than its factorization.

226743720617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493802.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 226743720617 in words is "two hundred twenty-six billion, seven hundred forty-three million, seven hundred twenty thousand, six hundred seventeen".