2203555545 has 24 divisors (see below), whose sum is σ = 3836641536. Its totient is φ = 1169954208.

The previous prime is 2203555469. The next prime is 2203555553. The reversal of 2203555545 is 5455553022.

It is not a de Polignac number, because 2203555545 - 2²⁹ = 1666684633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99759 + ... + 119828.

It is an arithmetic number, because the mean of its divisors is an integer number (159860064).

Almost surely, 2^2203555545 is an apocalyptic number.

It is an amenable number.

2203555545 is a deficient number, since it is larger than the sum of its proper divisors (1633085991).

2203555545 is a wasteful number, since it uses less digits than its factorization.

2203555545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219821 (or 219818 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The square root of 2203555545 is about 46942.0445336587. The cubic root of 2203555545 is about 1301.2917229796.

The spelling of 2203555545 in words is "two billion, two hundred three million, five hundred fifty-five thousand, five hundred forty-five".