2174220445 has 16 divisors (see below), whose sum is σ = 2752807680. Its totient is φ = 1643976000.

The previous prime is 2174220413. The next prime is 2174220449. The reversal of 2174220445 is 5440224712.

It is not a de Polignac number, because 2174220445 - 2⁵ = 2174220413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2174220449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14395 + ... + 67495.

It is an arithmetic number, because the mean of its divisors is an integer number (172050480).

Almost surely, 2^2174220445 is an apocalyptic number.

It is an amenable number.

2174220445 is a deficient number, since it is larger than the sum of its proper divisors (578587235).

2174220445 is a wasteful number, since it uses less digits than its factorization.

2174220445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53556.

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 2174220445 is about 46628.5368095547. The cubic root of 2174220445 is about 1295.4913724920.

The spelling of 2174220445 in words is "two billion, one hundred seventy-four million, two hundred twenty thousand, four hundred forty-five".