2215340401 has 2 divisors, whose sum is σ = 2215340402. Its totient is φ = 2215340400.

The previous prime is 2215340399. The next prime is 2215340411. The reversal of 2215340401 is 1040435122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2102130801 + 113209600 = 45849^2 + 10640^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215340401 - 2¹ = 2215340399 is a prime.

Together with 2215340399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2215340411) 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, 1107670200 + 1107670201.

It is an arithmetic number, because the mean of its divisors is an integer number (1107670201).

Almost surely, 2^2215340401 is an apocalyptic number.

It is an amenable number.

2215340401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215340401 is an equidigital number, since it uses as much as digits as its factorization.

2215340401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2215340401 is about 47067.4027433000. The cubic root of 2215340401 is about 1303.6074164863.

Adding to 2215340401 its reverse (1040435122), we get a palindrome (3255775523).

The spelling of 2215340401 in words is "two billion, two hundred fifteen million, three hundred forty thousand, four hundred one".