2122425252 has 18 divisors (see below), whose sum is σ = 5365019478. Its totient is φ = 707475072.

The previous prime is 2122425241. The next prime is 2122425259. The reversal of 2122425252 is 2525242212.

It is a happy number.

2122425252 is a `hidden beast` number, since 212 + 2 + 425 + 25 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1706020416 + 416404836 = 41304^2 + 20406^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (2122425259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29478093 + ... + 29478164.

Almost surely, 2^2122425252 is an apocalyptic number.

It is an amenable number.

2122425252 is an abundant number, since it is smaller than the sum of its proper divisors (3242594226).

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

2122425252 is a wasteful number, since it uses less digits than its factorization.

2122425252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58956267 (or 58956262 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 2122425252 is about 46069.7867587858. The cubic root of 2122425252 is about 1285.1213382471.

Adding to 2122425252 its reverse (2525242212), we get a palindrome (4647667464).

The spelling of 2122425252 in words is "two billion, one hundred twenty-two million, four hundred twenty-five thousand, two hundred fifty-two".