2211923073 has 4 divisors (see below), whose sum is σ = 2949230768. Its totient is φ = 1474615380.

The previous prime is 2211923033. The next prime is 2211923083. The reversal of 2211923073 is 3703291122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2211923073 - 2⁹ = 2211922561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2211923073.

It is not an unprimeable number, because it can be changed into a prime (2211923033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 368653843 + ... + 368653848.

It is an arithmetic number, because the mean of its divisors is an integer number (737307692).

Almost surely, 2^2211923073 is an apocalyptic number.

It is an amenable number.

2211923073 is a deficient number, since it is larger than the sum of its proper divisors (737307695).

2211923073 is an equidigital number, since it uses as much as digits as its factorization.

2211923073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737307694.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 2211923073 is about 47031.0862409109. The cubic root of 2211923073 is about 1302.9367675969.

The spelling of 2211923073 in words is "two billion, two hundred eleven million, nine hundred twenty-three thousand, seventy-three".