4221349 has 4 divisors (see below), whose sum is σ = 4605120. Its totient is φ = 3837580.

The previous prime is 4221337. The next prime is 4221361. The reversal of 4221349 is 9431224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4221337) and next prime (4221361).

It is a cyclic number.

It is not a de Polignac number, because 4221349 - 2¹¹ = 4219301 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 2²¹ + 2²¹ + 1 + 3 + 4⁷ + 9⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191869 + ... + 191890.

It is an arithmetic number, because the mean of its divisors is an integer number (1151280).

Almost surely, 2^4221349 is an apocalyptic number.

It is an amenable number.

4221349 is a deficient number, since it is larger than the sum of its proper divisors (383771).

4221349 is a wasteful number, since it uses less digits than its factorization.

4221349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383770.

The product of its digits is 1728, while the sum is 25.

The square root of 4221349 is about 2054.5921736442. The cubic root of 4221349 is about 161.6157764268.

It can be divided in two parts, 422 and 1349, that added together give a palindrome (1771).

The spelling of 4221349 in words is "four million, two hundred twenty-one thousand, three hundred forty-nine".