227225291 has 2 divisors, whose sum is σ = 227225292. Its totient is φ = 227225290.

The previous prime is 227225279. The next prime is 227225329. The reversal of 227225291 is 192522722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227225291 - 2⁶ = 227225227 is a prime.

It is not a weakly prime, because it can be changed into another prime (227225231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113612645 + 113612646.

It is an arithmetic number, because the mean of its divisors is an integer number (113612646).

Almost surely, 2^227225291 is an apocalyptic number.

227225291 is a deficient number, since it is larger than the sum of its proper divisors (1).

227225291 is an equidigital number, since it uses as much as digits as its factorization.

227225291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 227225291 is about 15073.9938636050. The cubic root of 227225291 is about 610.2187614548.

The spelling of 227225291 in words is "two hundred twenty-seven million, two hundred twenty-five thousand, two hundred ninety-one".