10522217 has 2 divisors, whose sum is σ = 10522218. Its totient is φ = 10522216.

The previous prime is 10522207. The next prime is 10522241. The reversal of 10522217 is 71222501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6295081 + 4227136 = 2509^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 10522217 - 2⁶ = 10522153 is a prime.

It is a super-2 number, since 2×10522217² = 221434101190178, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (10522207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5261108 + 5261109.

It is an arithmetic number, because the mean of its divisors is an integer number (5261109).

Almost surely, 2^10522217 is an apocalyptic number.

It is an amenable number.

10522217 is a deficient number, since it is larger than the sum of its proper divisors (1).

10522217 is an equidigital number, since it uses as much as digits as its factorization.

10522217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 10522217 is about 3243.7966952323. The cubic root of 10522217 is about 219.1302922826.

Adding to 10522217 its reverse (71222501), we get a palindrome (81744718).

It can be divided in two parts, 105 and 22217, that added together give a palindrome (22322).

The spelling of 10522217 in words is "ten million, five hundred twenty-two thousand, two hundred seventeen".