2211794973 has 24 divisors (see below), whose sum is σ = 3228465240. Its totient is φ = 1459036800.

The previous prime is 2211794971. The next prime is 2211795011. The reversal of 2211794973 is 3794971122.

It can be written as a sum of positive squares in 4 ways, for example, as 19027044 + 2192767929 = 4362^2 + 46827^2 .

It is not a de Polignac number, because 2211794973 - 2¹ = 2211794971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211794971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1275415 + ... + 1277147.

It is an arithmetic number, because the mean of its divisors is an integer number (134519385).

Almost surely, 2^2211794973 is an apocalyptic number.

It is an amenable number.

2211794973 is a deficient number, since it is larger than the sum of its proper divisors (1016670267).

2211794973 is a wasteful number, since it uses less digits than its factorization.

2211794973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149 (or 3146 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 2211794973 is about 47029.7243559858. The cubic root of 2211794973 is about 1302.9116146091.

The spelling of 2211794973 in words is "two billion, two hundred eleven million, seven hundred ninety-four thousand, nine hundred seventy-three".