2340041221 has 4 divisors (see below), whose sum is σ = 2674332832. Its totient is φ = 2005749612.

The previous prime is 2340041201. The next prime is 2340041227. The reversal of 2340041221 is 1221400432.

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 a cyclic number.

It is not a de Polignac number, because 2340041221 - 2⁹ = 2340040709 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 (2340041227) 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, 167145795 + ... + 167145808.

It is an arithmetic number, because the mean of its divisors is an integer number (668583208).

Almost surely, 2^2340041221 is an apocalyptic number.

It is an amenable number.

2340041221 is a deficient number, since it is larger than the sum of its proper divisors (334291611).

2340041221 is an equidigital number, since it uses as much as digits as its factorization.

2340041221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334291610.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2340041221 is about 48373.9725575645. The cubic root of 2340041221 is about 1327.6221898845.

Adding to 2340041221 its reverse (1221400432), we get a palindrome (3561441653).

It can be divided in two parts, 234004 and 1221, that added together give a square (235225 = 485²).

The spelling of 2340041221 in words is "two billion, three hundred forty million, forty-one thousand, two hundred twenty-one".