350220565 has 16 divisors (see below), whose sum is σ = 431670960. Its totient is φ = 272609280.

The previous prime is 350220557. The next prime is 350220583. The reversal of 350220565 is 565022053.

350220565 = 2026² + 2027² + ... + 2107².

It can be written as a sum of positive squares in 8 ways, for example, as 7193124 + 343027441 = 2682^2 + 18521^2 .

It is not a de Polignac number, because 350220565 - 2³ = 350220557 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 81757 + ... + 85933.

It is an arithmetic number, because the mean of its divisors is an integer number (26979435).

Almost surely, 2^350220565 is an apocalyptic number.

It is an amenable number.

350220565 is a deficient number, since it is larger than the sum of its proper divisors (81450395).

350220565 is a wasteful number, since it uses less digits than its factorization.

350220565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 350220565 is about 18714.1808530323. The cubic root of 350220565 is about 704.8778790200.

The spelling of 350220565 in words is "three hundred fifty million, two hundred twenty thousand, five hundred sixty-five".