227121607 has 2 divisors, whose sum is σ = 227121608. Its totient is φ = 227121606.

The previous prime is 227121599. The next prime is 227121647. The reversal of 227121607 is 706121722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227121607 - 2³ = 227121599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227121647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113560803 + 113560804.

It is an arithmetic number, because the mean of its divisors is an integer number (113560804).

Almost surely, 2^227121607 is an apocalyptic number.

227121607 is a deficient number, since it is larger than the sum of its proper divisors (1).

227121607 is an equidigital number, since it uses as much as digits as its factorization.

227121607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 227121607 is about 15070.5543030109. The cubic root of 227121607 is about 610.1259320758.

The spelling of 227121607 in words is "two hundred twenty-seven million, one hundred twenty-one thousand, six hundred seven".