10133221 has 16 divisors (see below), whose sum is σ = 11902464. Its totient is φ = 8448624.

The previous prime is 10133159. The next prime is 10133269. The reversal of 10133221 is 12233101.

It is a cyclic number.

It is not a de Polignac number, because 10133221 - 2¹⁷ = 10002149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10133521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62086 + ... + 62248.

It is an arithmetic number, because the mean of its divisors is an integer number (743904).

Almost surely, 2^10133221 is an apocalyptic number.

It is an amenable number.

10133221 is a deficient number, since it is larger than the sum of its proper divisors (1769243).

10133221 is a wasteful number, since it uses less digits than its factorization.

10133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 10133221 is about 3183.2720587471. The cubic root of 10133221 is about 216.3959714777.

Adding to 10133221 its reverse (12233101), we get a palindrome (22366322).

The spelling of 10133221 in words is "ten million, one hundred thirty-three thousand, two hundred twenty-one".