2125522422 has 48 divisors (see below), whose sum is σ = 4748597568. Its totient is φ = 686715120.

The previous prime is 2125522367. The next prime is 2125522423. The reversal of 2125522422 is 2242255212.

It is a happy number.

2125522422 is a `hidden beast` number, since 212 + 5 + 5 + 22 + 422 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125522423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90913 + ... + 111875.

It is an arithmetic number, because the mean of its divisors is an integer number (98929116).

Almost surely, 2^2125522422 is an apocalyptic number.

2125522422 is an abundant number, since it is smaller than the sum of its proper divisors (2623075146).

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

2125522422 is a wasteful number, since it uses less digits than its factorization.

2125522422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21145 (or 21142 counting only the distinct ones).

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

The square root of 2125522422 is about 46103.3884004202. The cubic root of 2125522422 is about 1285.7461430942.

Adding to 2125522422 its reverse (2242255212), we get a palindrome (4367777634).

The spelling of 2125522422 in words is "two billion, one hundred twenty-five million, five hundred twenty-two thousand, four hundred twenty-two".