2213402320 has 20 divisors (see below), whose sum is σ = 5146160580. Its totient is φ = 885360896.

The previous prime is 2213402311. The next prime is 2213402341. The reversal of 2213402320 is 232043122.

It can be written as a sum of positive squares in 2 ways, for example, as 1645438096 + 567964224 = 40564^2 + 23832^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13833685 + ... + 13833844.

It is an arithmetic number, because the mean of its divisors is an integer number (257308029).

Almost surely, 2^2213402320 is an apocalyptic number.

2213402320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213402320 is an abundant number, since it is smaller than the sum of its proper divisors (2932758260).

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

2213402320 is a wasteful number, since it uses less digits than its factorization.

2213402320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27667542 (or 27667536 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2213402320 is about 47046.8098812236. The cubic root of 2213402320 is about 1303.2271537981.

Adding to 2213402320 its reverse (232043122), we get a palindrome (2445445442).

The spelling of 2213402320 in words is "two billion, two hundred thirteen million, four hundred two thousand, three hundred twenty".