5705111221 has 4 divisors (see below), whose sum is σ = 5712608844. Its totient is φ = 5697613600.

The previous prime is 5705111183. The next prime is 5705111233. The reversal of 5705111221 is 1221115075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 266048721 + 5439062500 = 16311^2 + 73750^2 .

It is a cyclic number.

It is not a de Polignac number, because 5705111221 - 2⁹ = 5705110709 is a prime.

It is a super-2 number, since 2×5705111221² = 65096588087960221682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5705111261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3747670 + ... + 3749191.

It is an arithmetic number, because the mean of its divisors is an integer number (1428152211).

Almost surely, 2^5705111221 is an apocalyptic number.

It is an amenable number.

5705111221 is a deficient number, since it is larger than the sum of its proper divisors (7497623).

5705111221 is an equidigital number, since it uses as much as digits as its factorization.

5705111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497622.

The product of its (nonzero) digits is 700, while the sum is 25.

The square root of 5705111221 is about 75532.1866557562. The cubic root of 5705111221 is about 1786.8497612810.

Adding to 5705111221 its reverse (1221115075), we get a palindrome (6926226296).

The spelling of 5705111221 in words is "five billion, seven hundred five million, one hundred eleven thousand, two hundred twenty-one".