2945522213 has 2 divisors, whose sum is σ = 2945522214. Its totient is φ = 2945522212.

The previous prime is 2945522191. The next prime is 2945522219. The reversal of 2945522213 is 3122255492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2825772964 + 119749249 = 53158^2 + 10943^2 .

It is a cyclic number.

It is not a de Polignac number, because 2945522213 - 2¹² = 2945518117 is a prime.

It is a super-2 number, since 2×2945522213² = 17352202214552834738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2945522219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472761106 + 1472761107.

It is an arithmetic number, because the mean of its divisors is an integer number (1472761107).

Almost surely, 2^2945522213 is an apocalyptic number.

It is an amenable number.

2945522213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2945522213 is an equidigital number, since it uses as much as digits as its factorization.

2945522213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 2945522213 is about 54272.6654311358. The cubic root of 2945522213 is about 1433.4661240533.

The spelling of 2945522213 in words is "two billion, nine hundred forty-five million, five hundred twenty-two thousand, two hundred thirteen".