2402213 has 6 divisors (see below), whose sum is σ = 2640582. Its totient is φ = 2183720.

The previous prime is 2402209. The next prime is 2402233. The reversal of 2402213 is 3122042.

2402213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1684804 + 717409 = 1298^2 + 847^2 .

It is not a de Polignac number, because 2402213 - 2² = 2402209 is a prime.

It is a Duffinian 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 (2402203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9806 + ... + 10047.

It is an arithmetic number, because the mean of its divisors is an integer number (440097).

2^2402213 is an apocalyptic number.

It is an amenable number.

2402213 is a deficient number, since it is larger than the sum of its proper divisors (238369).

2402213 is a wasteful number, since it uses less digits than its factorization.

2402213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19875 (or 19864 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2402213 is about 1549.9074165898. The cubic root of 2402213 is about 133.9277289056.

Adding to 2402213 its reverse (3122042), we get a palindrome (5524255).

The spelling of 2402213 in words is "two million, four hundred two thousand, two hundred thirteen".