10265221 has 2 divisors, whose sum is σ = 10265222. Its totient is φ = 10265220.

The previous prime is 10265207. The next prime is 10265231. The reversal of 10265221 is 12256201.

10265221 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., 6305121 + 3960100 = 2511^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 10265221 - 2¹⁷ = 10134149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10265231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5132610 + 5132611.

It is an arithmetic number, because the mean of its divisors is an integer number (5132611).

Almost surely, 2^10265221 is an apocalyptic number.

It is an amenable number.

10265221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10265221 is an equidigital number, since it uses as much as digits as its factorization.

10265221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10265221 is about 3203.9383577091. The cubic root of 10265221 is about 217.3315452594.

The spelling of 10265221 in words is "ten million, two hundred sixty-five thousand, two hundred twenty-one".