10224221 has 4 divisors (see below), whose sum is σ = 11684832. Its totient is φ = 8763612.

The previous prime is 10224217. The next prime is 10224233. The reversal of 10224221 is 12242201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10224221 - 2² = 10224217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10224196 and 10224205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10224281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730295 + ... + 730308.

It is an arithmetic number, because the mean of its divisors is an integer number (2921208).

Almost surely, 2^10224221 is an apocalyptic number.

It is an amenable number.

10224221 is a deficient number, since it is larger than the sum of its proper divisors (1460611).

10224221 is an equidigital number, since it uses as much as digits as its factorization.

10224221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460610.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 10224221 is about 3197.5335807463. The cubic root of 10224221 is about 217.0418134578.

Adding to 10224221 its reverse (12242201), we get a palindrome (22466422).

The spelling of 10224221 in words is "ten million, two hundred twenty-four thousand, two hundred twenty-one".