227242447 has 2 divisors, whose sum is σ = 227242448. Its totient is φ = 227242446.

The previous prime is 227242399. The next prime is 227242471. The reversal of 227242447 is 744242722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227242447 - 2²³ = 218853839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227248447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113621223 + 113621224.

It is an arithmetic number, because the mean of its divisors is an integer number (113621224).

Almost surely, 2^227242447 is an apocalyptic number.

227242447 is a deficient number, since it is larger than the sum of its proper divisors (1).

227242447 is an equidigital number, since it uses as much as digits as its factorization.

227242447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50176, while the sum is 34.

The square root of 227242447 is about 15074.5629124031. The cubic root of 227242447 is about 610.2341186796.

The spelling of 227242447 in words is "two hundred twenty-seven million, two hundred forty-two thousand, four hundred forty-seven".