2201530251 has 4 divisors (see below), whose sum is σ = 2935373672. Its totient is φ = 1467686832.

The previous prime is 2201530249. The next prime is 2201530267. The reversal of 2201530251 is 1520351022.

2201530251 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.

It is not a de Polignac number, because 2201530251 - 2¹ = 2201530249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201530231) 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, 366921706 + ... + 366921711.

It is an arithmetic number, because the mean of its divisors is an integer number (733843418).

Almost surely, 2^2201530251 is an apocalyptic number.

2201530251 is a deficient number, since it is larger than the sum of its proper divisors (733843421).

2201530251 is an equidigital number, since it uses as much as digits as its factorization.

2201530251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733843420.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2201530251 is about 46920.4672930694. The cubic root of 2201530251 is about 1300.8929271685.

Adding to 2201530251 its reverse (1520351022), we get a palindrome (3721881273).

The spelling of 2201530251 in words is "two billion, two hundred one million, five hundred thirty thousand, two hundred fifty-one".