226405335703261 has 64 divisors (see below), whose sum is σ = 269457766905600. Its totient is φ = 187523417088000.

The previous prime is 226405335703237. The next prime is 226405335703273. The reversal of 226405335703261 is 162307533504622.

It is a cyclic number.

It is not a de Polignac number, because 226405335703261 - 2¹⁹ = 226405335178973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226405335703061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11332155570 + ... + 11332175548.

It is an arithmetic number, because the mean of its divisors is an integer number (4210277607900).

Almost surely, 2^{226405335703261} is an apocalyptic number.

It is an amenable number.

226405335703261 is a deficient number, since it is larger than the sum of its proper divisors (43052431202339).

226405335703261 is a wasteful number, since it uses less digits than its factorization.

226405335703261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22510.

The product of its (nonzero) digits is 5443200, while the sum is 49.

The spelling of 226405335703261 in words is "two hundred twenty-six trillion, four hundred five billion, three hundred thirty-five million, seven hundred three thousand, two hundred sixty-one".