10396221 has 8 divisors (see below), whose sum is σ = 15121824. Its totient is φ = 6300720.

The previous prime is 10396193. The next prime is 10396229. The reversal of 10396221 is 12269301.

10396221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10396221 - 2⁹ = 10395709 is a prime.

It is a super-2 number, since 2×10396221² = 216162822161682, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 10396191 and 10396200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10396229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157486 + ... + 157551.

It is an arithmetic number, because the mean of its divisors is an integer number (1890228).

Almost surely, 2^10396221 is an apocalyptic number.

10396221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10396221 is a deficient number, since it is larger than the sum of its proper divisors (4725603).

10396221 is a wasteful number, since it uses less digits than its factorization.

10396221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315051.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 10396221 is about 3224.3171370075. The cubic root of 10396221 is about 218.2521351163.

Subtracting 10396221 from its reverse (12269301), we obtain a triangular number (1873080 = T₁₉₃₅).

It can be divided in two parts, 1039 and 6221, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 10396221 in words is "ten million, three hundred ninety-six thousand, two hundred twenty-one".