2162819228 has 12 divisors (see below), whose sum is σ = 3841425672. Its totient is φ = 1065269040.

The previous prime is 2162819189. The next prime is 2162819279. The reversal of 2162819228 is 8229182612.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4034843 + ... + 4035378.

It is an arithmetic number, because the mean of its divisors is an integer number (320118806).

Almost surely, 2^2162819228 is an apocalyptic number.

It is an amenable number.

2162819228 is a deficient number, since it is larger than the sum of its proper divisors (1678606444).

2162819228 is a wasteful number, since it uses less digits than its factorization.

2162819228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070292 (or 8070290 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 2162819228 is about 46506.1203284041. The cubic root of 2162819228 is about 1293.2229623519. Note that the first 3 decimals are identical.

The spelling of 2162819228 in words is "two billion, one hundred sixty-two million, eight hundred nineteen thousand, two hundred twenty-eight".