10453221 has 12 divisors (see below), whose sum is σ = 15133248. Its totient is φ = 6953064.

The previous prime is 10453187. The next prime is 10453229. The reversal of 10453221 is 12235401.

10453221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10453221 - 2¹⁵ = 10420453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10453194 and 10453203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10453229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4036 + ... + 6098.

It is an arithmetic number, because the mean of its divisors is an integer number (1261104).

Almost surely, 2^10453221 is an apocalyptic number.

It is an amenable number.

10453221 is a deficient number, since it is larger than the sum of its proper divisors (4680027).

10453221 is a wasteful number, since it uses less digits than its factorization.

10453221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632 (or 2629 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10453221 is about 3233.1441353580. The cubic root of 10453221 is about 218.6502831498.

Adding to 10453221 its reverse (12235401), we get a palindrome (22688622).

The spelling of 10453221 in words is "ten million, four hundred fifty-three thousand, two hundred twenty-one".