2201655545 has 16 divisors (see below), whose sum is σ = 2735182080. Its totient is φ = 1700221824.

The previous prime is 2201655527. The next prime is 2201655559. The reversal of 2201655545 is 5455561022.

2201655545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2201655545 - 2⁶ = 2201655481 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47015 + ... + 81324.

It is an arithmetic number, because the mean of its divisors is an integer number (170948880).

Almost surely, 2^2201655545 is an apocalyptic number.

It is an amenable number.

2201655545 is a deficient number, since it is larger than the sum of its proper divisors (533526535).

2201655545 is a wasteful number, since it uses less digits than its factorization.

2201655545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128464.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 2201655545 is about 46921.8024483289. The cubic root of 2201655545 is about 1300.9176056069.

The spelling of 2201655545 in words is "two billion, two hundred one million, six hundred fifty-five thousand, five hundred forty-five".