10220211 has 24 divisors (see below), whose sum is σ = 15593760. Its totient is φ = 6437376.

The previous prime is 10220159. The next prime is 10220239. The reversal of 10220211 is 11202201.

It is not a de Polignac number, because 10220211 - 2⁷ = 10220083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10220193 and 10220202.

It is not an unprimeable number, because it can be changed into a prime (10220261) 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, 19825 + ... + 20333.

It is an arithmetic number, because the mean of its divisors is an integer number (649740).

Almost surely, 2^10220211 is an apocalyptic number.

10220211 is a deficient number, since it is larger than the sum of its proper divisors (5373549).

10220211 is a wasteful number, since it uses less digits than its factorization.

10220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10220211 is about 3196.9064734521. The cubic root of 10220211 is about 217.0134347193.

Adding to 10220211 its reverse (11202201), we get a palindrome (21422412).

The spelling of 10220211 in words is "ten million, two hundred twenty thousand, two hundred eleven".