10220247 has 24 divisors (see below), whose sum is σ = 15880176. Its totient is φ = 6310656.

The previous prime is 10220239. The next prime is 10220261. The reversal of 10220247 is 74202201.

It is not a de Polignac number, because 10220247 - 2³ = 10220239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9753 + ... + 10749.

It is an arithmetic number, because the mean of its divisors is an integer number (661674).

Almost surely, 2^10220247 is an apocalyptic number.

10220247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

10220247 is a deficient number, since it is larger than the sum of its proper divisors (5659929).

10220247 is a wasteful number, since it uses less digits than its factorization.

10220247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 10220247 is about 3196.9121038903. The cubic root of 10220247 is about 217.0136895241.

Adding to 10220247 its reverse (74202201), we get a palindrome (84422448).

The spelling of 10220247 in words is "ten million, two hundred twenty thousand, two hundred forty-seven".