2215351 has 2 divisors, whose sum is σ = 2215352. Its totient is φ = 2215350.

The previous prime is 2215349. The next prime is 2215379. The reversal of 2215351 is 1535122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2215351 - 2¹ = 2215349 is a prime.

Together with 2215349, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215051) 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, 1107675 + 1107676.

It is an arithmetic number, because the mean of its divisors is an integer number (1107676).

2^2215351 is an apocalyptic number.

2215351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215351 is an equidigital number, since it uses as much as digits as its factorization.

2215351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 300, while the sum is 19.

The square root of 2215351 is about 1488.4055226987. The cubic root of 2215351 is about 130.3609495461.

The spelling of 2215351 in words is "two million, two hundred fifteen thousand, three hundred fifty-one".