2215853 has 2 divisors, whose sum is σ = 2215854. Its totient is φ = 2215852.

The previous prime is 2215847. The next prime is 2215867. The reversal of 2215853 is 3585122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1898884 + 316969 = 1378^2 + 563^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215853 - 2⁶ = 2215789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215823) 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, 1107926 + 1107927.

It is an arithmetic number, because the mean of its divisors is an integer number (1107927).

2^2215853 is an apocalyptic number.

It is an amenable number.

2215853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215853 is an equidigital number, since it uses as much as digits as its factorization.

2215853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 2215853 is about 1488.5741499838. The cubic root of 2215853 is about 130.3707954282.

The spelling of 2215853 in words is "two million, two hundred fifteen thousand, eight hundred fifty-three".