2340963221 has 2 divisors, whose sum is σ = 2340963222. Its totient is φ = 2340963220.

The previous prime is 2340963217. The next prime is 2340963269. The reversal of 2340963221 is 1223690432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2016459025 + 324504196 = 44905^2 + 18014^2 .

It is a cyclic number.

It is not a de Polignac number, because 2340963221 - 2² = 2340963217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2340969221) 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 as a sum of consecutive naturals, namely, 1170481610 + 1170481611.

It is an arithmetic number, because the mean of its divisors is an integer number (1170481611).

Almost surely, 2^2340963221 is an apocalyptic number.

It is an amenable number.

2340963221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340963221 is an equidigital number, since it uses as much as digits as its factorization.

2340963221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 2340963221 is about 48383.5015371976. The cubic root of 2340963221 is about 1327.7965325297.

The spelling of 2340963221 in words is "two billion, three hundred forty million, nine hundred sixty-three thousand, two hundred twenty-one".