10630221 has 8 divisors (see below), whose sum is σ = 16198464. Its totient is φ = 6074400.

The previous prime is 10630201. The next prime is 10630223. The reversal of 10630221 is 12203601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10630221 - 2⁵ = 10630189 is a prime.

It is a super-2 number, since 2×10630221² = 226003197017682, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10630221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10630223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253080 + ... + 253121.

It is an arithmetic number, because the mean of its divisors is an integer number (2024808).

Almost surely, 2^10630221 is an apocalyptic number.

It is an amenable number.

10630221 is a deficient number, since it is larger than the sum of its proper divisors (5568243).

10630221 is an equidigital number, since it uses as much as digits as its factorization.

10630221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506211.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 10630221 is about 3260.4019690830. The cubic root of 10630221 is about 219.8774868842.

Adding to 10630221 its reverse (12203601), we get a palindrome (22833822).

The spelling of 10630221 in words is "ten million, six hundred thirty thousand, two hundred twenty-one".