10254221 has 2 divisors, whose sum is σ = 10254222. Its totient is φ = 10254220.

The previous prime is 10254203. The next prime is 10254239. The reversal of 10254221 is 12245201.

It is a balanced prime because it is at equal distance from previous prime (10254203) and next prime (10254239).

It can be written as a sum of positive squares in only one way, i.e., 9066121 + 1188100 = 3011^2 + 1090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10254221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10254221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10254241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5127110 + 5127111.

It is an arithmetic number, because the mean of its divisors is an integer number (5127111).

Almost surely, 2^10254221 is an apocalyptic number.

It is an amenable number.

10254221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10254221 is an equidigital number, since it uses as much as digits as its factorization.

10254221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 10254221 is about 3202.2212603129. The cubic root of 10254221 is about 217.2538881741.

Adding to 10254221 its reverse (12245201), we get a palindrome (22499422).

The spelling of 10254221 in words is "ten million, two hundred fifty-four thousand, two hundred twenty-one".