2165022224 has 20 divisors (see below), whose sum is σ = 4196564736. Its totient is φ = 1082037792.

The previous prime is 2165022217. The next prime is 2165022229. The reversal of 2165022224 is 4222205612.

It is a junction number, because it is equal to n+sod(n) for n = 2165022193 and 2165022202.

It is not an unprimeable number, because it can be changed into a prime (2165022229) 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 3 ways as a sum of consecutive naturals, for example, 9737 + ... + 66519.

Almost surely, 2^2165022224 is an apocalyptic number.

It is an amenable number.

2165022224 is a deficient number, since it is larger than the sum of its proper divisors (2031542512).

2165022224 is a wasteful number, since it uses less digits than its factorization.

2165022224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59174 (or 59168 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2165022224 is about 46529.7993118389. The cubic root of 2165022224 is about 1293.6618953623.

Adding to 2165022224 its reverse (4222205612), we get a palindrome (6387227836).

The spelling of 2165022224 in words is "two billion, one hundred sixty-five million, twenty-two thousand, two hundred twenty-four".