2213505 has 24 divisors (see below), whose sum is σ = 4385472. Its totient is φ = 1011744.

The previous prime is 2213489. The next prime is 2213531. The reversal of 2213505 is 5053122.

It is a happy number.

It is not a de Polignac number, because 2213505 - 2⁴ = 2213489 is a prime.

2213505 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3199 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (182728).

2^2213505 is an apocalyptic number.

It is an amenable number.

2213505 is a deficient number, since it is larger than the sum of its proper divisors (2171967).

2213505 is a wasteful number, since it uses less digits than its factorization.

2213505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7045 (or 7042 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2213505 is about 1487.7852667640. The cubic root of 2213505 is about 130.3247305775.

Adding to 2213505 its reverse (5053122), we get a palindrome (7266627).

The spelling of 2213505 in words is "two million, two hundred thirteen thousand, five hundred five".