2122442525 has 12 divisors (see below), whose sum is σ = 3007804512. Its totient is φ = 1455389040.

The previous prime is 2122442489. The next prime is 2122442527. The reversal of 2122442525 is 5252442212.

It is a happy number.

It is not a de Polignac number, because 2122442525 - 2⁸ = 2122442269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122442527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6063947 + ... + 6064296.

It is an arithmetic number, because the mean of its divisors is an integer number (250650376).

Almost surely, 2^2122442525 is an apocalyptic number.

2122442525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2122442525 is a deficient number, since it is larger than the sum of its proper divisors (885361987).

2122442525 is a wasteful number, since it uses less digits than its factorization.

2122442525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12128260 (or 12128255 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 2122442525 is about 46069.9742239997. The cubic root of 2122442525 is about 1285.1248244854.

Adding to 2122442525 its reverse (5252442212), we get a palindrome (7374884737).

The spelling of 2122442525 in words is "two billion, one hundred twenty-two million, four hundred forty-two thousand, five hundred twenty-five".