2200646521 has 8 divisors (see below), whose sum is σ = 2265948360. Its totient is φ = 2135651328.

The previous prime is 2200646501. The next prime is 2200646533. The reversal of 2200646521 is 1256460022.

2200646521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1271920896 + 928725625 = 35664^2 + 30475^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2200646521 - 2⁵ = 2200646489 is a prime.

It is a super-2 number, since 2×2200646521² = 9685690220778806882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2200646521.

It is not an unprimeable number, because it can be changed into a prime (2200646501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62056 + ... + 90841.

It is an arithmetic number, because the mean of its divisors is an integer number (283243545).

Almost surely, 2^2200646521 is an apocalyptic number.

It is an amenable number.

2200646521 is a deficient number, since it is larger than the sum of its proper divisors (65301839).

2200646521 is a wasteful number, since it uses less digits than its factorization.

2200646521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153323.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2200646521 is about 46911.0490289868. The cubic root of 2200646521 is about 1300.7188373556.

The spelling of 2200646521 in words is "two billion, two hundred million, six hundred forty-six thousand, five hundred twenty-one".