2206051521 has 16 divisors (see below), whose sum is σ = 2953062720. Its totient is φ = 1464883200.

The previous prime is 2206051513. The next prime is 2206051531. The reversal of 2206051521 is 1251506022.

It is a happy number.

2206051521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2206051521 - 2³ = 2206051513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2206051491 and 2206051500.

It is not an unprimeable number, because it can be changed into a prime (2206051511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377121 + ... + 1378721.

It is an arithmetic number, because the mean of its divisors is an integer number (184566420).

Almost surely, 2^2206051521 is an apocalyptic number.

It is an amenable number.

2206051521 is a deficient number, since it is larger than the sum of its proper divisors (747011199).

2206051521 is a wasteful number, since it uses less digits than its factorization.

2206051521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2206051521 is about 46968.6227283705. The cubic root of 2206051521 is about 1301.7828636651.

Adding to 2206051521 its reverse (1251506022), we get a palindrome (3457557543).

The spelling of 2206051521 in words is "two billion, two hundred six million, fifty-one thousand, five hundred twenty-one".