2242516521 has 32 divisors (see below), whose sum is σ = 3504872448. Its totient is φ = 1248690240.

The previous prime is 2242516513. The next prime is 2242516531. The reversal of 2242516521 is 1256152422.

It is not a de Polignac number, because 2242516521 - 2³ = 2242516513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2242516501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413590 + ... + 418976.

It is an arithmetic number, because the mean of its divisors is an integer number (109527264).

Almost surely, 2^2242516521 is an apocalyptic number.

2242516521 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2242516521 is a deficient number, since it is larger than the sum of its proper divisors (1262355927).

2242516521 is a wasteful number, since it uses less digits than its factorization.

2242516521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901.

The product of its digits is 9600, while the sum is 30.

The square root of 2242516521 is about 47355.2164074878. The cubic root of 2242516521 is about 1308.9163232633.

Adding to 2242516521 its reverse (1256152422), we get a palindrome (3498668943).

The spelling of 2242516521 in words is "two billion, two hundred forty-two million, five hundred sixteen thousand, five hundred twenty-one".