227239109 has 2 divisors, whose sum is σ = 227239110. Its totient is φ = 227239108.

The previous prime is 227239093. The next prime is 227239139. The reversal of 227239109 is 901932722.

227239109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197318209 + 29920900 = 14047^2 + 5470^2 .

It is a cyclic number.

It is not a de Polignac number, because 227239109 - 2⁴ = 227239093 is a prime.

It is a super-2 number, since 2×227239109² = 103275225318227762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227239139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113619554 + 113619555.

It is an arithmetic number, because the mean of its divisors is an integer number (113619555).

Almost surely, 2^227239109 is an apocalyptic number.

It is an amenable number.

227239109 is a deficient number, since it is larger than the sum of its proper divisors (1).

227239109 is an equidigital number, since it uses as much as digits as its factorization.

227239109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 227239109 is about 15074.4521956853. The cubic root of 227239109 is about 610.2311307233.

The spelling of 227239109 in words is "two hundred twenty-seven million, two hundred thirty-nine thousand, one hundred nine".