2201505645 has 32 divisors (see below), whose sum is σ = 3600950400. Its totient is φ = 1148166144.

The previous prime is 2201505637. The next prime is 2201505659. The reversal of 2201505645 is 5465051022.

2201505645 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 2201505645 - 2³ = 2201505637 is a prime.

It is a super-3 number, since 3×2201505645³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164361 + ... + 177249.

It is an arithmetic number, because the mean of its divisors is an integer number (112529700).

Almost surely, 2^2201505645 is an apocalyptic number.

It is an amenable number.

2201505645 is a deficient number, since it is larger than the sum of its proper divisors (1399444755).

2201505645 is a wasteful number, since it uses less digits than its factorization.

2201505645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13149.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2201505645 is about 46920.2050826720. The cubic root of 2201505645 is about 1300.8880805562. Note that the first 3 decimals are identical.

Adding to 2201505645 its reverse (5465051022), we get a palindrome (7666556667).

The spelling of 2201505645 in words is "two billion, two hundred one million, five hundred five thousand, six hundred forty-five".