2162361222 has 48 divisors (see below), whose sum is σ = 5367896352. Its totient is φ = 616262400.

The previous prime is 2162361221. The next prime is 2162361247. The reversal of 2162361222 is 2221632612.

It is a happy number.

2162361222 is a `hidden beast` number, since 2 + 1 + 6 + 23 + 612 + 22 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162361221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29128 + ... + 71924.

It is an arithmetic number, because the mean of its divisors is an integer number (111831174).

Almost surely, 2^2162361222 is an apocalyptic number.

2162361222 is an abundant number, since it is smaller than the sum of its proper divisors (3205535130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2162361222 is a wasteful number, since it uses less digits than its factorization.

2162361222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43213 (or 43210 counting only the distinct ones).

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

The square root of 2162361222 is about 46501.1959201051. The cubic root of 2162361222 is about 1293.1316701344.

Adding to 2162361222 its reverse (2221632612), we get a palindrome (4383993834).

The spelling of 2162361222 in words is "two billion, one hundred sixty-two million, three hundred sixty-one thousand, two hundred twenty-two".