2340616221 has 6 divisors (see below), whose sum is σ = 3380890110. Its totient is φ = 1560410808.

The previous prime is 2340616217. The next prime is 2340616237. The reversal of 2340616221 is 1226160432.

2340616221 is a `hidden beast` number, since 2 + 3 + 40 + 616 + 2 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2329124121 + 11492100 = 48261^2 + 3390^2 .

It is not a de Polignac number, because 2340616221 - 2² = 2340616217 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340616021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130034226 + ... + 130034243.

It is an arithmetic number, because the mean of its divisors is an integer number (563481685).

Almost surely, 2^2340616221 is an apocalyptic number.

It is an amenable number.

2340616221 is a deficient number, since it is larger than the sum of its proper divisors (1040273889).

2340616221 is a wasteful number, since it uses less digits than its factorization.

2340616221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260068475 (or 260068472 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2340616221 is about 48379.9154711953. The cubic root of 2340616221 is about 1327.7309230462.

Adding to 2340616221 its reverse (1226160432), we get a palindrome (3566776653).

The spelling of 2340616221 in words is "two billion, three hundred forty million, six hundred sixteen thousand, two hundred twenty-one".