2252242521 has 24 divisors (see below), whose sum is σ = 3319704960. Its totient is φ = 1471111200.

The previous prime is 2252242451. The next prime is 2252242523. The reversal of 2252242521 is 1252422522.

It is a happy number.

It is not a de Polignac number, because 2252242521 - 2⁹ = 2252242009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2252242523) 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, 81051 + ... + 105231.

It is an arithmetic number, because the mean of its divisors is an integer number (138321040).

Almost surely, 2^2252242521 is an apocalyptic number.

It is an amenable number.

2252242521 is a deficient number, since it is larger than the sum of its proper divisors (1067462439).

2252242521 is a wasteful number, since it uses less digits than its factorization.

2252242521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24397 (or 24394 counting only the distinct ones).

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

The square root of 2252242521 is about 47457.7972624099. The cubic root of 2252242521 is about 1310.8058908957.

The spelling of 2252242521 in words is "two billion, two hundred fifty-two million, two hundred forty-two thousand, five hundred twenty-one".