2215400213 has 12 divisors (see below), whose sum is σ = 2476315008. Its totient is φ = 1979012880.

The previous prime is 2215400207. The next prime is 2215400233. The reversal of 2215400213 is 3120045122.

It is not a de Polignac number, because 2215400213 - 2¹⁴ = 2215383829 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 (2215400233) 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 11 ways as a sum of consecutive naturals, for example, 206195 + ... + 216672.

It is an arithmetic number, because the mean of its divisors is an integer number (206359584).

Almost surely, 2^2215400213 is an apocalyptic number.

It is an amenable number.

2215400213 is a deficient number, since it is larger than the sum of its proper divisors (260914795).

2215400213 is a wasteful number, since it uses less digits than its factorization.

2215400213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422924 (or 422911 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2215400213 is about 47068.0381256750. The cubic root of 2215400213 is about 1303.6191484177.

Adding to 2215400213 its reverse (3120045122), we get a palindrome (5335445335).

The spelling of 2215400213 in words is "two billion, two hundred fifteen million, four hundred thousand, two hundred thirteen".