3722448557 has 2 divisors, whose sum is σ = 3722448558. Its totient is φ = 3722448556.

The previous prime is 3722448533. The next prime is 3722448559. The reversal of 3722448557 is 7558442273.

3722448557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2007577636 + 1714870921 = 44806^2 + 41411^2 .

It is a cyclic number.

It is not a de Polignac number, because 3722448557 - 2⁶ = 3722448493 is a prime.

It is a super-2 number, since 2×3722448557² = 27713246519022764498, which contains 22 as substring.

Together with 3722448559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3722448559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861224278 + 1861224279.

It is an arithmetic number, because the mean of its divisors is an integer number (1861224279).

Almost surely, 2^3722448557 is an apocalyptic number.

It is an amenable number.

3722448557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3722448557 is an equidigital number, since it uses as much as digits as its factorization.

3722448557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1881600, while the sum is 47.

The square root of 3722448557 is about 61011.8722626998. The cubic root of 3722448557 is about 1549.8020637984.

The spelling of 3722448557 in words is "three billion, seven hundred twenty-two million, four hundred forty-eight thousand, five hundred fifty-seven".