2212481972 has 12 divisors (see below), whose sum is σ = 3915347940. Its totient is φ = 1093811136.

The previous prime is 2212481939. The next prime is 2212481989. The reversal of 2212481972 is 2791842122.

It can be written as a sum of positive squares in 2 ways, for example, as 1216195876 + 996286096 = 34874^2 + 31564^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3107063 + ... + 3107774.

It is an arithmetic number, because the mean of its divisors is an integer number (326278995).

Almost surely, 2^2212481972 is an apocalyptic number.

It is an amenable number.

2212481972 is a deficient number, since it is larger than the sum of its proper divisors (1702865968).

2212481972 is a wasteful number, since it uses less digits than its factorization.

2212481972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6214930 (or 6214928 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 2212481972 is about 47037.0276696987. The cubic root of 2212481972 is about 1303.0464984672.

The spelling of 2212481972 in words is "two billion, two hundred twelve million, four hundred eighty-one thousand, nine hundred seventy-two".