10286221 has 16 divisors (see below), whose sum is σ = 11848320. Its totient is φ = 8838720.

The previous prime is 10286219. The next prime is 10286233. The reversal of 10286221 is 12268201.

It is not a de Polignac number, because 10286221 - 2¹ = 10286219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10286192 and 10286201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10286621) 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 15 ways as a sum of consecutive naturals, for example, 27391 + ... + 27763.

It is an arithmetic number, because the mean of its divisors is an integer number (740520).

Almost surely, 2^10286221 is an apocalyptic number.

10286221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10286221 is a deficient number, since it is larger than the sum of its proper divisors (1562099).

10286221 is a wasteful number, since it uses less digits than its factorization.

10286221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 10286221 is about 3207.2138999449. The cubic root of 10286221 is about 217.4796457810.

The spelling of 10286221 in words is "ten million, two hundred eighty-six thousand, two hundred twenty-one".