2213206566244 has 6 divisors (see below), whose sum is σ = 3873111490934. Its totient is φ = 1106603283120.

The previous prime is 2213206566239. The next prime is 2213206566253. The reversal of 2213206566244 is 4426656023122.

It can be written as a sum of positive squares in only one way, i.e., 1736675908900 + 476530657344 = 1317830^2 + 690312^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2213206566244.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276650820777 + ... + 276650820784.

Almost surely, 2^{2213206566244} is an apocalyptic number.

It is an amenable number.

2213206566244 is a deficient number, since it is larger than the sum of its proper divisors (1659904924690).

2213206566244 is a wasteful number, since it uses less digits than its factorization.

2213206566244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553301641565 (or 553301641563 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 2213206566244 in words is "two trillion, two hundred thirteen billion, two hundred six million, five hundred sixty-six thousand, two hundred forty-four".