2240130521 has 4 divisors (see below), whose sum is σ = 2257769472. Its totient is φ = 2222491572.

The previous prime is 2240130481. The next prime is 2240130539. The reversal of 2240130521 is 1250310422.

2240130521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2240130521 - 2¹⁰ = 2240129497 is a prime.

It is a super-2 number, since 2×2240130521² = 10036369502231462882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2240130493 and 2240130502.

It is not an unprimeable number, because it can be changed into a prime (2240133521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8819285 + ... + 8819538.

It is an arithmetic number, because the mean of its divisors is an integer number (564442368).

Almost surely, 2^2240130521 is an apocalyptic number.

It is an amenable number.

2240130521 is a deficient number, since it is larger than the sum of its proper divisors (17638951).

2240130521 is a wasteful number, since it uses less digits than its factorization.

2240130521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17638950.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2240130521 is about 47330.0171244423. The cubic root of 2240130521 is about 1308.4519368465.

Adding to 2240130521 its reverse (1250310422), we get a palindrome (3490440943).

The spelling of 2240130521 in words is "two billion, two hundred forty million, one hundred thirty thousand, five hundred twenty-one".