4221353 has 8 divisors (see below), whose sum is σ = 4359168. Its totient is φ = 4085424.

The previous prime is 4221337. The next prime is 4221361. The reversal of 4221353 is 3531224.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4221353 - 2⁴ = 4221337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4221313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5075 + ... + 5847.

It is an arithmetic number, because the mean of its divisors is an integer number (544896).

Almost surely, 2^4221353 is an apocalyptic number.

4221353 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

4221353 is a deficient number, since it is larger than the sum of its proper divisors (137815).

4221353 is a wasteful number, since it uses less digits than its factorization.

4221353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943.

The product of its digits is 720, while the sum is 20.

The square root of 4221353 is about 2054.5931470732. The cubic root of 4221353 is about 161.6158274739.

Adding to 4221353 its reverse (3531224), we get a palindrome (7752577).

The spelling of 4221353 in words is "four million, two hundred twenty-one thousand, three hundred fifty-three".