2201156530 has 8 divisors (see below), whose sum is σ = 3962081772. Its totient is φ = 880462608.

The previous prime is 2201156501. The next prime is 2201156533. The reversal of 2201156530 is 356511022.

It can be written as a sum of positive squares in 2 ways, for example, as 1897734969 + 303421561 = 43563^2 + 17419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2201156495 and 2201156504.

It is not an unprimeable number, because it can be changed into a prime (2201156533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110057817 + ... + 110057836.

Almost surely, 2^2201156530 is an apocalyptic number.

2201156530 is a deficient number, since it is larger than the sum of its proper divisors (1760925242).

2201156530 is a wasteful number, since it uses less digits than its factorization.

2201156530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220115660.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2201156530 is about 46916.4846296054. The cubic root of 2201156530 is about 1300.8193119308.

Adding to 2201156530 its reverse (356511022), we get a palindrome (2557667552).

The spelling of 2201156530 in words is "two billion, two hundred one million, one hundred fifty-six thousand, five hundred thirty".