10132221 has 16 divisors (see below), whose sum is σ = 15605568. Its totient is φ = 5779200.

The previous prime is 10132217. The next prime is 10132229. The reversal of 10132221 is 12223101.

It is not a de Polignac number, because 10132221 - 2² = 10132217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10132197 and 10132206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10132229) 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, 8470 + ... + 9591.

It is an arithmetic number, because the mean of its divisors is an integer number (975348).

Almost surely, 2^10132221 is an apocalyptic number.

10132221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10132221 is a deficient number, since it is larger than the sum of its proper divisors (5473347).

10132221 is a wasteful number, since it uses less digits than its factorization.

10132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18092.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10132221 is about 3183.1149837855. The cubic root of 10132221 is about 216.3888528760.

Adding to 10132221 its reverse (12223101), we get a palindrome (22355322).

It can be divided in two parts, 10 and 132221, that added together give a palindrome (132231).

The spelling of 10132221 in words is "ten million, one hundred thirty-two thousand, two hundred twenty-one".