705422 has 4 divisors (see below), whose sum is σ = 1058136. Its totient is φ = 352710.

The previous prime is 705421. The next prime is 705427. The reversal of 705422 is 224507.

705422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224507 = 461 ⋅487.

It is a junction number, because it is equal to n+sod(n) for n = 705394 and 705403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176354 + ... + 176357.

It is an arithmetic number, because the mean of its divisors is an integer number (264534).

2⁷⁰⁵⁴²² is an apocalyptic number.

705422 is a deficient number, since it is larger than the sum of its proper divisors (352714).

705422 is a wasteful number, since it uses less digits than its factorization.

705422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352713.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 705422 is about 839.8940409361. The cubic root of 705422 is about 89.0190591678.

Adding to 705422 its reverse (224507), we get a palindrome (929929).

The spelling of 705422 in words is "seven hundred five thousand, four hundred twenty-two".