2741221 has 8 divisors (see below), whose sum is σ = 3173120. Its totient is φ = 2319408.

The previous prime is 2741201. The next prime is 2741227. The reversal of 2741221 is 1221472.

It is a happy number.

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

It is not a de Polignac number, because 2741221 - 2⁷ = 2741093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2741227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926 + ... + 3031.

It is an arithmetic number, because the mean of its divisors is an integer number (396640).

2^2741221 is an apocalyptic number.

It is an amenable number.

2741221 is a deficient number, since it is larger than the sum of its proper divisors (431899).

2741221 is an equidigital number, since it uses as much as digits as its factorization.

2741221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043.

The product of its digits is 224, while the sum is 19.

The square root of 2741221 is about 1655.6633111838. The cubic root of 2741221 is about 139.9527221313.

Adding to 2741221 its reverse (1221472), we get a palindrome (3962693).

The spelling of 2741221 in words is "two million, seven hundred forty-one thousand, two hundred twenty-one".