226294328261 has 2 divisors, whose sum is σ = 226294328262. Its totient is φ = 226294328260.

The previous prime is 226294328231. The next prime is 226294328291. The reversal of 226294328261 is 162823492622.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (226294328231) and next prime (226294328291).

It can be written as a sum of positive squares in only one way, i.e., 222642422500 + 3651905761 = 471850^2 + 60431^2 .

It is a cyclic number.

It is not a de Polignac number, because 226294328261 - 2³⁴ = 209114459077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226294328201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113147164130 + 113147164131.

It is an arithmetic number, because the mean of its divisors is an integer number (113147164131).

Almost surely, 2^226294328261 is an apocalyptic number.

It is an amenable number.

226294328261 is a deficient number, since it is larger than the sum of its proper divisors (1).

226294328261 is an equidigital number, since it uses as much as digits as its factorization.

226294328261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 47.

The spelling of 226294328261 in words is "two hundred twenty-six billion, two hundred ninety-four million, three hundred twenty-eight thousand, two hundred sixty-one".