5706224921 has 2 divisors, whose sum is σ = 5706224922. Its totient is φ = 5706224920.

The previous prime is 5706224869. The next prime is 5706224929. The reversal of 5706224921 is 1294226075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4203577225 + 1502647696 = 64835^2 + 38764^2 .

It is a cyclic number.

It is not a de Polignac number, because 5706224921 - 2⁶ = 5706224857 is a prime.

It is a super-2 number, since 2×5706224921² = 65122005698082912482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5706224929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2853112460 + 2853112461.

It is an arithmetic number, because the mean of its divisors is an integer number (2853112461).

Almost surely, 2^5706224921 is an apocalyptic number.

It is an amenable number.

5706224921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5706224921 is an equidigital number, since it uses as much as digits as its factorization.

5706224921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 5706224921 is about 75539.5586497565. The cubic root of 5706224921 is about 1786.9660245769.

The spelling of 5706224921 in words is "five billion, seven hundred six million, two hundred twenty-four thousand, nine hundred twenty-one".