10362221 has 2 divisors, whose sum is σ = 10362222. Its totient is φ = 10362220.

The previous prime is 10362203. The next prime is 10362223. The reversal of 10362221 is 12226301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6180196 + 4182025 = 2486^2 + 2045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10362221 is a prime.

It is a super-3 number, since 3×10362221³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 10362223, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10362221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10362223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5181110 + 5181111.

It is an arithmetic number, because the mean of its divisors is an integer number (5181111).

Almost surely, 2^10362221 is an apocalyptic number.

It is an amenable number.

10362221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10362221 is an equidigital number, since it uses as much as digits as its factorization.

10362221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 10362221 is about 3219.0403849595. The cubic root of 10362221 is about 218.0139499532.

Adding to 10362221 its reverse (12226301), we get a palindrome (22588522).

The spelling of 10362221 in words is "ten million, three hundred sixty-two thousand, two hundred twenty-one".