705522 has 16 divisors (see below), whose sum is σ = 1435680. Its totient is φ = 231072.

The previous prime is 705521. The next prime is 705533. The reversal of 705522 is 225507.

It is a super-2 number, since 2×705522² = 995522584968, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 705522.

It is not an unprimeable number, because it can be changed into a prime (705521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (89730).

2⁷⁰⁵⁵²² is an apocalyptic number.

705522 is an abundant number, since it is smaller than the sum of its proper divisors (730158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

705522 is a wasteful number, since it uses less digits than its factorization.

705522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 705522 is about 839.9535701454. The cubic root of 705522 is about 89.0232653901.

The spelling of 705522 in words is "seven hundred five thousand, five hundred twenty-two".