2215632437 has 2 divisors, whose sum is σ = 2215632438. Its totient is φ = 2215632436.

The previous prime is 2215632401. The next prime is 2215632439. The reversal of 2215632437 is 7342365122.

2215632437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1722748036 + 492884401 = 41506^2 + 22201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215632437 - 2⁶ = 2215632373 is a prime.

Together with 2215632439, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2215632397 and 2215632406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215632439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107816218 + 1107816219.

It is an arithmetic number, because the mean of its divisors is an integer number (1107816219).

Almost surely, 2^2215632437 is an apocalyptic number.

It is an amenable number.

2215632437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215632437 is an equidigital number, since it uses as much as digits as its factorization.

2215632437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 2215632437 is about 47070.5049579883. The cubic root of 2215632437 is about 1303.6646964071.

Adding to 2215632437 its reverse (7342365122), we get a palindrome (9557997559).

The spelling of 2215632437 in words is "two billion, two hundred fifteen million, six hundred thirty-two thousand, four hundred thirty-seven".