2213670 has 32 divisors (see below), whose sum is σ = 5368032. Its totient is φ = 584192.

The previous prime is 2213647. The next prime is 2213677. The reversal of 2213670 is 763122.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213677) 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, 3064 + ... + 3716.

It is an arithmetic number, because the mean of its divisors is an integer number (167751).

2^2213670 is an apocalyptic number.

2213670 is an abundant number, since it is smaller than the sum of its proper divisors (3154362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2213670 is a wasteful number, since it uses less digits than its factorization.

2213670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2213670 is about 1487.8407172813. The cubic root of 2213670 is about 130.3279687369.

Adding to 2213670 its reverse (763122), we get a palindrome (2976792).

The spelling of 2213670 in words is "two million, two hundred thirteen thousand, six hundred seventy".