2162445212 has 6 divisors (see below), whose sum is σ = 3784279128. Its totient is φ = 1081222604.

The previous prime is 2162445199. The next prime is 2162445221. The reversal of 2162445212 is 2125442612.

It is a congruent number.

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, 270305648 + ... + 270305655.

It is an arithmetic number, because the mean of its divisors is an integer number (630713188).

Almost surely, 2^2162445212 is an apocalyptic number.

It is an amenable number.

2162445212 is a deficient number, since it is larger than the sum of its proper divisors (1621833916).

2162445212 is a wasteful number, since it uses less digits than its factorization.

2162445212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540611307 (or 540611305 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 2162445212 is about 46502.0990063889. The cubic root of 2162445212 is about 1293.1484124377.

Adding to 2162445212 its reverse (2125442612), we get a palindrome (4287887824).

The spelling of 2162445212 in words is "two billion, one hundred sixty-two million, four hundred forty-five thousand, two hundred twelve".