2213426444 has 6 divisors (see below), whose sum is σ = 3873496284. Its totient is φ = 1106713220.

The previous prime is 2213426437. The next prime is 2213426461. The reversal of 2213426444 is 4446243122.

It is a self number, because there is not a number n which added to its sum of digits gives 2213426444.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276678302 + ... + 276678309.

It is an arithmetic number, because the mean of its divisors is an integer number (645582714).

Almost surely, 2^2213426444 is an apocalyptic number.

It is an amenable number.

2213426444 is a deficient number, since it is larger than the sum of its proper divisors (1660069840).

2213426444 is a wasteful number, since it uses less digits than its factorization.

2213426444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553356615 (or 553356613 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

The square root of 2213426444 is about 47047.0662634770. The cubic root of 2213426444 is about 1303.2318884303.

Adding to 2213426444 its reverse (4446243122), we get a palindrome (6659669566).

The spelling of 2213426444 in words is "two billion, two hundred thirteen million, four hundred twenty-six thousand, four hundred forty-four".