2201001516 has 72 divisors (see below), whose sum is σ = 6577727520. Its totient is φ = 607170816.

The previous prime is 2201001497. The next prime is 2201001521. The reversal of 2201001516 is 6151001022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 143281 + ... + 157896.

Almost surely, 2^2201001516 is an apocalyptic number.

It is an amenable number.

2201001516 is an abundant number, since it is smaller than the sum of its proper divisors (4376726004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201001516 is a wasteful number, since it uses less digits than its factorization.

2201001516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301223 (or 301218 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2201001516 is about 46914.8325798995. The cubic root of 2201001516 is about 1300.7887749629.

Adding to 2201001516 its reverse (6151001022), we get a palindrome (8352002538).

The spelling of 2201001516 in words is "two billion, two hundred one million, one thousand, five hundred sixteen".