2162612223 has 32 divisors (see below), whose sum is σ = 3297700800. Its totient is φ = 1399690368.

The previous prime is 2162612213. The next prime is 2162612233. The reversal of 2162612223 is 3222162612.

It is a happy number.

2162612223 is a `hidden beast` number, since 2 + 1 + 626 + 12 + 2 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (2162612213) and next prime (2162612233).

It is not a de Polignac number, because 2162612223 - 2¹² = 2162608127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162612213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506365 + ... + 510617.

It is an arithmetic number, because the mean of its divisors is an integer number (103053150).

Almost surely, 2^2162612223 is an apocalyptic number.

2162612223 is a deficient number, since it is larger than the sum of its proper divisors (1135088577).

2162612223 is a wasteful number, since it uses less digits than its factorization.

2162612223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808 (or 4802 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2162612223 is about 46503.8947078629. The cubic root of 2162612223 is about 1293.1817025991.

Adding to 2162612223 its reverse (3222162612), we get a palindrome (5384774835).

The spelling of 2162612223 in words is "two billion, one hundred sixty-two million, six hundred twelve thousand, two hundred twenty-three".