262640227 has 2 divisors, whose sum is σ = 262640228. Its totient is φ = 262640226.

The previous prime is 262640221. The next prime is 262640233. The reversal of 262640227 is 722046262.

It is a balanced prime because it is at equal distance from previous prime (262640221) and next prime (262640233).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-262640227 is a prime.

It is a super-2 number, since 2×262640227² = 137959777677223058, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (262640221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131320113 + 131320114.

It is an arithmetic number, because the mean of its divisors is an integer number (131320114).

Almost surely, 2^262640227 is an apocalyptic number.

262640227 is a deficient number, since it is larger than the sum of its proper divisors (1).

262640227 is an equidigital number, since it uses as much as digits as its factorization.

262640227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 262640227 is about 16206.1786674095. The cubic root of 262640227 is about 640.4035760229.

Adding to 262640227 its reverse (722046262), we get a palindrome (984686489).

The spelling of 262640227 in words is "two hundred sixty-two million, six hundred forty thousand, two hundred twenty-seven".