227235215693 has 2 divisors, whose sum is σ = 227235215694. Its totient is φ = 227235215692.

The previous prime is 227235215687. The next prime is 227235215723. The reversal of 227235215693 is 396512532722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158004660004 + 69230555689 = 397498^2 + 263117^2 .

It is a cyclic number.

It is not a de Polignac number, because 227235215693 - 2⁸ = 227235215437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227235215663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113617607846 + 113617607847.

It is an arithmetic number, because the mean of its divisors is an integer number (113617607847).

Almost surely, 2^227235215693 is an apocalyptic number.

It is an amenable number.

227235215693 is a deficient number, since it is larger than the sum of its proper divisors (1).

227235215693 is an equidigital number, since it uses as much as digits as its factorization.

227235215693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 47.

The spelling of 227235215693 in words is "two hundred twenty-seven billion, two hundred thirty-five million, two hundred fifteen thousand, six hundred ninety-three".