2122153424 has 20 divisors (see below), whose sum is σ = 4115911044. Its totient is φ = 1059982848.

The previous prime is 2122153421. The next prime is 2122153433. The reversal of 2122153424 is 4243512212.

It can be written as a sum of positive squares in 2 ways, for example, as 1054171024 + 1067982400 = 32468^2 + 32680^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2122153393 and 2122153402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122153421) 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, 52247 + ... + 83510.

Almost surely, 2^2122153424 is an apocalyptic number.

It is an amenable number.

2122153424 is a deficient number, since it is larger than the sum of its proper divisors (1993757620).

2122153424 is a wasteful number, since it uses less digits than its factorization.

2122153424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136742 (or 136736 counting only the distinct ones).

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

The square root of 2122153424 is about 46066.8364878684. The cubic root of 2122153424 is about 1285.0664722587.

Adding to 2122153424 its reverse (4243512212), we get a palindrome (6365665636).

The spelling of 2122153424 in words is "two billion, one hundred twenty-two million, one hundred fifty-three thousand, four hundred twenty-four".