2212072064 has 16 divisors (see below), whose sum is σ = 4406862570. Its totient is φ = 1106035968.

The previous prime is 2212072043. The next prime is 2212072087. The reversal of 2212072064 is 4602702122.

It can be written as a sum of positive squares in only one way, i.e., 2153702464 + 58369600 = 46408^2 + 7640^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8640779 + ... + 8641034.

Almost surely, 2^2212072064 is an apocalyptic number.

It is an amenable number.

2212072064 is a deficient number, since it is larger than the sum of its proper divisors (2194790506).

2212072064 is an equidigital number, since it uses as much as digits as its factorization.

2212072064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17281827 (or 17281815 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2212072064 is about 47032.6701772289. The cubic root of 2212072064 is about 1302.9660214011.

Adding to 2212072064 its reverse (4602702122), we get a palindrome (6814774186).

The spelling of 2212072064 in words is "two billion, two hundred twelve million, seventy-two thousand, sixty-four".