2210005541 has 2 divisors, whose sum is σ = 2210005542. Its totient is φ = 2210005540.

The previous prime is 2210005537. The next prime is 2210005549. The reversal of 2210005541 is 1455000122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1579744516 + 630261025 = 39746^2 + 25105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210005541 - 2² = 2210005537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210005549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105002770 + 1105002771.

It is an arithmetic number, because the mean of its divisors is an integer number (1105002771).

Almost surely, 2^2210005541 is an apocalyptic number.

It is an amenable number.

2210005541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210005541 is an equidigital number, since it uses as much as digits as its factorization.

2210005541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2210005541 is about 47010.6960276063. The cubic root of 2210005541 is about 1302.5601503310.

Adding to 2210005541 its reverse (1455000122), we get a palindrome (3665005663).

The spelling of 2210005541 in words is "two billion, two hundred ten million, five thousand, five hundred forty-one".