227339689 has 2 divisors, whose sum is σ = 227339690. Its totient is φ = 227339688.

The previous prime is 227339687. The next prime is 227339699. The reversal of 227339689 is 986933722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147987225 + 79352464 = 12165^2 + 8908^2 .

It is a cyclic number.

It is not a de Polignac number, because 227339689 - 2¹ = 227339687 is a prime.

Together with 227339687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (227339681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113669844 + 113669845.

It is an arithmetic number, because the mean of its divisors is an integer number (113669845).

Almost surely, 2^227339689 is an apocalyptic number.

It is an amenable number.

227339689 is a deficient number, since it is larger than the sum of its proper divisors (1).

227339689 is an equidigital number, since it uses as much as digits as its factorization.

227339689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 227339689 is about 15077.7879345745. The cubic root of 227339689 is about 610.3211504301.

The spelling of 227339689 in words is "two hundred twenty-seven million, three hundred thirty-nine thousand, six hundred eighty-nine".