350220557 has 2 divisors, whose sum is σ = 350220558. Its totient is φ = 350220556.

The previous prime is 350220539. The next prime is 350220583. The reversal of 350220557 is 755022053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314388361 + 35832196 = 17731^2 + 5986^2 .

It is a cyclic number.

It is not a de Polignac number, because 350220557 - 2²⁰ = 349171981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350220257) 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, 175110278 + 175110279.

It is an arithmetic number, because the mean of its divisors is an integer number (175110279).

Almost surely, 2^350220557 is an apocalyptic number.

It is an amenable number.

350220557 is a deficient number, since it is larger than the sum of its proper divisors (1).

350220557 is an equidigital number, since it uses as much as digits as its factorization.

350220557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 350220557 is about 18714.1806392906. The cubic root of 350220557 is about 704.8778736529.

The spelling of 350220557 in words is "three hundred fifty million, two hundred twenty thousand, five hundred fifty-seven".