2214905 has 24 divisors (see below), whose sum is σ = 3345216. Its totient is φ = 1378080.

The previous prime is 2214869. The next prime is 2214907. The reversal of 2214905 is 5094122.

It is not a de Polignac number, because 2214905 - 2²⁰ = 1166329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2214907) 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 in 23 ways as a sum of consecutive naturals, for example, 3974 + ... + 4496.

It is an arithmetic number, because the mean of its divisors is an integer number (139384).

2^2214905 is an apocalyptic number.

It is an amenable number.

2214905 is a deficient number, since it is larger than the sum of its proper divisors (1130311).

2214905 is a wasteful number, since it uses less digits than its factorization.

2214905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2214905 is about 1488.2556903973. The cubic root of 2214905 is about 130.3522007616.

The spelling of 2214905 in words is "two million, two hundred fourteen thousand, nine hundred five".