2213222672 has 10 divisors (see below), whose sum is σ = 4288118958. Its totient is φ = 1106611328.

The previous prime is 2213222663. The next prime is 2213222689. The reversal of 2213222672 is 2762223122.

It can be written as a sum of positive squares in only one way, i.e., 1474252816 + 738969856 = 38396^2 + 27184^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69163193 + ... + 69163224.

Almost surely, 2^2213222672 is an apocalyptic number.

It is an amenable number.

2213222672 is a deficient number, since it is larger than the sum of its proper divisors (2074896286).

2213222672 is a wasteful number, since it uses less digits than its factorization.

2213222672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138326425 (or 138326419 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 2213222672 is about 47044.9005950698. The cubic root of 2213222672 is about 1303.1918945829.

Adding to 2213222672 its reverse (2762223122), we get a palindrome (4975445794).

The spelling of 2213222672 in words is "two billion, two hundred thirteen million, two hundred twenty-two thousand, six hundred seventy-two".