3614221 has 4 divisors (see below), whose sum is σ = 3892252. Its totient is φ = 3336192.

The previous prime is 3614209. The next prime is 3614227. The reversal of 3614221 is 1224163.

3614221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1022121 + 2592100 = 1011^2 + 1610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3614221 is a prime.

3614221 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3614227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138996 + ... + 139021.

It is an arithmetic number, because the mean of its divisors is an integer number (973063).

Almost surely, 2^3614221 is an apocalyptic number.

It is an amenable number.

3614221 is a deficient number, since it is larger than the sum of its proper divisors (278031).

3614221 is a wasteful number, since it uses less digits than its factorization.

3614221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278030.

The product of its digits is 288, while the sum is 19.

The square root of 3614221 is about 1901.1104649651. The cubic root of 3614221 is about 153.4634303346.

Adding to 3614221 its reverse (1224163), we get a palindrome (4838384).

It can be divided in two parts, 36142 and 21, that added together give a palindrome (36163).

The spelling of 3614221 in words is "three million, six hundred fourteen thousand, two hundred twenty-one".