2211045445 has 16 divisors (see below), whose sum is σ = 3114246528. Its totient is φ = 1475167680.

The previous prime is 2211045433. The next prime is 2211045469. The reversal of 2211045445 is 5445401122.

It is not a de Polignac number, because 2211045445 - 2⁹ = 2211044933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852391 + ... + 854980.

It is an arithmetic number, because the mean of its divisors is an integer number (194640408).

Almost surely, 2^2211045445 is an apocalyptic number.

It is an amenable number.

2211045445 is a deficient number, since it is larger than the sum of its proper divisors (903201083).

2211045445 is a wasteful number, since it uses less digits than its factorization.

2211045445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707420.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2211045445 is about 47021.7550182891. The cubic root of 2211045445 is about 1302.7644220827.

Adding to 2211045445 its reverse (5445401122), we get a palindrome (7656446567).

The spelling of 2211045445 in words is "two billion, two hundred eleven million, forty-five thousand, four hundred forty-five".