227840147 has 2 divisors, whose sum is σ = 227840148. Its totient is φ = 227840146.

The previous prime is 227840141. The next prime is 227840177. The reversal of 227840147 is 741048722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227840147 - 2⁶ = 227840083 is a prime.

It is a super-2 number, since 2×227840147² = 103822265169963218, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (227840141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113920073 + 113920074.

It is an arithmetic number, because the mean of its divisors is an integer number (113920074).

Almost surely, 2^227840147 is an apocalyptic number.

227840147 is a deficient number, since it is larger than the sum of its proper divisors (1).

227840147 is an equidigital number, since it uses as much as digits as its factorization.

227840147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 227840147 is about 15094.3746806550. The cubic root of 227840147 is about 610.7686690732.

Adding to 227840147 its reverse (741048722), we get a palindrome (968888869).

The spelling of 227840147 in words is "two hundred twenty-seven million, eight hundred forty thousand, one hundred forty-seven".