2213405 has 16 divisors (see below), whose sum is σ = 2920320. Its totient is φ = 1603008.

The previous prime is 2213401. The next prime is 2213411. The reversal of 2213405 is 5043122.

It is not a de Polignac number, because 2213405 - 2² = 2213401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1679 + ... + 2691.

It is an arithmetic number, because the mean of its divisors is an integer number (182520).

2^2213405 is an apocalyptic number.

It is an amenable number.

2213405 is a deficient number, since it is larger than the sum of its proper divisors (706915).

2213405 is a wasteful number, since it uses less digits than its factorization.

2213405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2213405 is about 1487.7516593841. The cubic root of 2213405 is about 130.3227679783.

Adding to 2213405 its reverse (5043122), we get a palindrome (7256527).

The spelling of 2213405 in words is "two million, two hundred thirteen thousand, four hundred five".