2240301221 has 4 divisors (see below), whose sum is σ = 2246405952. Its totient is φ = 2234196492.

The previous prime is 2240301199. The next prime is 2240301227. The reversal of 2240301221 is 1221030422.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1221030422 = 2 ⋅610515211.

It is a cyclic number.

It is not a de Polignac number, because 2240301221 - 2¹⁰ = 2240300197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240301221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240301227) 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, 3051815 + ... + 3052548.

It is an arithmetic number, because the mean of its divisors is an integer number (561601488).

Almost surely, 2^2240301221 is an apocalyptic number.

It is an amenable number.

2240301221 is a deficient number, since it is larger than the sum of its proper divisors (6104731).

2240301221 is an equidigital number, since it uses as much as digits as its factorization.

2240301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104730.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2240301221 is about 47331.8203854447. The cubic root of 2240301221 is about 1308.4851710815.

Adding to 2240301221 its reverse (1221030422), we get a palindrome (3461331643).

The spelling of 2240301221 in words is "two billion, two hundred forty million, three hundred one thousand, two hundred twenty-one".