10220517 has 6 divisors (see below), whose sum is σ = 14762982. Its totient is φ = 6813672.

The previous prime is 10220513. The next prime is 10220563. The reversal of 10220517 is 71502201.

It can be written as a sum of positive squares in only one way, i.e., 6022116 + 4198401 = 2454^2 + 2049^2 .

It is not a de Polignac number, because 10220517 - 2² = 10220513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10220517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567798 + ... + 567815.

It is an arithmetic number, because the mean of its divisors is an integer number (2460497).

Almost surely, 2^10220517 is an apocalyptic number.

It is an amenable number.

10220517 is a deficient number, since it is larger than the sum of its proper divisors (4542465).

10220517 is a wasteful number, since it uses less digits than its factorization.

10220517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135619 (or 1135616 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 10220517 is about 3196.9543318602. The cubic root of 10220517 is about 217.0156005405.

Adding to 10220517 its reverse (71502201), we get a palindrome (81722718).

The spelling of 10220517 in words is "ten million, two hundred twenty thousand, five hundred seventeen".