1700220005 has 48 divisors (see below), whose sum is σ = 2298067632. Its totient is φ = 1206374400.

The previous prime is 1700219987. The next prime is 1700220013. The reversal of 1700220005 is 5000220071.

1700220005 = 216² + 217² + ... + 1722².

It can be written as a sum of positive squares in 8 ways, for example, as 15856324 + 1684363681 = 3982^2 + 41041^2 .

It is not a de Polignac number, because 1700220005 - 2¹⁰ = 1700218981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6050465 + ... + 6050745.

It is an arithmetic number, because the mean of its divisors is an integer number (47876409).

Almost surely, 2^1700220005 is an apocalyptic number.

It is an amenable number.

1700220005 is a deficient number, since it is larger than the sum of its proper divisors (597847627).

1700220005 is a wasteful number, since it uses less digits than its factorization.

1700220005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 1700220005 is about 41233.7241223734. The cubic root of 1700220005 is about 1193.5346744653.

Adding to 1700220005 its reverse (5000220071), we get a palindrome (6700440076).

The spelling of 1700220005 in words is "one billion, seven hundred million, two hundred twenty thousand, five".