263426227 has 4 divisors (see below), whose sum is σ = 272509920. Its totient is φ = 254342536.

The previous prime is 263426201. The next prime is 263426231. The reversal of 263426227 is 722624362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722624362 = 2 ⋅361312181.

It is a cyclic number.

It is not a de Polignac number, because 263426227 - 2⁷ = 263426099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263426192 and 263426201.

It is not an unprimeable number, because it can be changed into a prime (263426297) 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, 4541803 + ... + 4541860.

It is an arithmetic number, because the mean of its divisors is an integer number (68127480).

Almost surely, 2^263426227 is an apocalyptic number.

263426227 is a deficient number, since it is larger than the sum of its proper divisors (9083693).

263426227 is an equidigital number, since it uses as much as digits as its factorization.

263426227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9083692.

The product of its digits is 48384, while the sum is 34.

The square root of 263426227 is about 16230.4105616586. The cubic root of 263426227 is about 641.0417822864.

The spelling of 263426227 in words is "two hundred sixty-three million, four hundred twenty-six thousand, two hundred twenty-seven".