2213722250 has 48 divisors (see below), whose sum is σ = 4292322840. Its totient is φ = 854873600.

The previous prime is 2213722219. The next prime is 2213722253. The reversal of 2213722250 is 522273122.

It can be written as a sum of positive squares in 12 ways, for example, as 1054729 + 2212667521 = 1027^2 + 47039^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213722253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204986 + ... + 215514.

Almost surely, 2^2213722250 is an apocalyptic number.

2213722250 is a deficient number, since it is larger than the sum of its proper divisors (2078600590).

2213722250 is a wasteful number, since it uses less digits than its factorization.

2213722250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604 (or 10565 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2213722250 is about 47050.2098826350. The cubic root of 2213722250 is about 1303.2899412050.

Adding to 2213722250 its reverse (522273122), we get a palindrome (2735995372).

The spelling of 2213722250 in words is "two billion, two hundred thirteen million, seven hundred twenty-two thousand, two hundred fifty".