10227661 has 2 divisors, whose sum is σ = 10227662. Its totient is φ = 10227660.

The previous prime is 10227647. The next prime is 10227673. The reversal of 10227661 is 16672201.

10227661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10118761 + 108900 = 3181^2 + 330^2 .

It is a cyclic number.

It is not a de Polignac number, because 10227661 - 2⁵ = 10227629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10227601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5113830 + 5113831.

It is an arithmetic number, because the mean of its divisors is an integer number (5113831).

Almost surely, 2^10227661 is an apocalyptic number.

It is an amenable number.

10227661 is a deficient number, since it is larger than the sum of its proper divisors (1).

10227661 is an equidigital number, since it uses as much as digits as its factorization.

10227661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 10227661 is about 3198.0714501086. The cubic root of 10227661 is about 217.0661523982.

Adding to 10227661 its reverse (16672201), we get a palindrome (26899862).

The spelling of 10227661 in words is "ten million, two hundred twenty-seven thousand, six hundred sixty-one".