2123022224 has 20 divisors (see below), whose sum is σ = 4116059100. Its totient is φ = 1060813440.

The previous prime is 2123022173. The next prime is 2123022229. The reversal of 2123022224 is 4222203212.

It can be written as a sum of positive squares in 2 ways, for example, as 367412224 + 1755610000 = 19168^2 + 41900^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2123022196 and 2123022205.

It is not an unprimeable number, because it can be changed into a prime (2123022229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18047 + ... + 67614.

It is an arithmetic number, because the mean of its divisors is an integer number (205802955).

Almost surely, 2^2123022224 is an apocalyptic number.

It is an amenable number.

2123022224 is a deficient number, since it is larger than the sum of its proper divisors (1993036876).

2123022224 is a wasteful number, since it uses less digits than its factorization.

2123022224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87218 (or 87212 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2123022224 is about 46076.2653000436. The cubic root of 2123022224 is about 1285.2418151305.

Adding to 2123022224 its reverse (4222203212), we get a palindrome (6345225436).

The spelling of 2123022224 in words is "two billion, one hundred twenty-three million, twenty-two thousand, two hundred twenty-four".