10300221 has 12 divisors (see below), whose sum is σ = 14979900. Its totient is φ = 6819840.

The previous prime is 10300219. The next prime is 10300243. The reversal of 10300221 is 12200301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3980025 + 6320196 = 1995^2 + 2514^2 .

It is not a de Polignac number, because 10300221 - 2¹ = 10300219 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10300201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2500 + ... + 5181.

It is an arithmetic number, because the mean of its divisors is an integer number (1248325).

Almost surely, 2^10300221 is an apocalyptic number.

It is an amenable number.

10300221 is a deficient number, since it is larger than the sum of its proper divisors (4679679).

10300221 is a wasteful number, since it uses less digits than its factorization.

10300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836 (or 7833 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10300221 is about 3209.3957375182. The cubic root of 10300221 is about 217.5782675118.

Adding to 10300221 its reverse (12200301), we get a palindrome (22500522).

The spelling of 10300221 in words is "ten million, three hundred thousand, two hundred twenty-one".