705622 has 16 divisors (see below), whose sum is σ = 1152000. Its totient is φ = 322920.

The previous prime is 705613. The next prime is 705631. The reversal of 705622 is 226507.

It is an interprime number because it is at equal distance from previous prime (705613) and next prime (705631).

It is a junction number, because it is equal to n+sod(n) for n = 705593 and 705602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879 + ... + 1477.

It is an arithmetic number, because the mean of its divisors is an integer number (72000).

2⁷⁰⁵⁶²² is an apocalyptic number.

705622 is a deficient number, since it is larger than the sum of its proper divisors (446378).

705622 is a wasteful number, since it uses less digits than its factorization.

705622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 705622 is about 840.0130951360. The cubic root of 705622 is about 89.0274712150.

Subtracting from 705622 its sum of digits (22), we obtain a square (705600 = 840²).

The spelling of 705622 in words is "seven hundred five thousand, six hundred twenty-two".