2215349 has 2 divisors, whose sum is σ = 2215350. Its totient is φ = 2215348.

The previous prime is 2215327. The next prime is 2215351. The reversal of 2215349 is 9435122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1423249 + 792100 = 1193^2 + 890^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215349 - 2¹⁶ = 2149813 is a prime.

Together with 2215351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107674 + 1107675.

It is an arithmetic number, because the mean of its divisors is an integer number (1107675).

2^2215349 is an apocalyptic number.

It is an amenable number.

2215349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215349 is an equidigital number, since it uses as much as digits as its factorization.

2215349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 2215349 is about 1488.4048508386. The cubic root of 2215349 is about 130.3609103166.

The spelling of 2215349 in words is "two million, two hundred fifteen thousand, three hundred forty-nine".