655422 has 16 divisors (see below), whose sum is σ = 1318800. Its totient is φ = 217152.

The previous prime is 655399. The next prime is 655439. The reversal of 655422 is 224556.

655422 is nontrivially palindromic in base 15.

It is a d-powerful number, because it can be written as 6² + 5 + 4² + 5 + 2¹⁷ + 2¹⁹ .

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 655392 and 655401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1704 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (82425).

2⁶⁵⁵⁴²² is an apocalyptic number.

655422 is an abundant number, since it is smaller than the sum of its proper divisors (663378).

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

655422 is a wasteful number, since it uses less digits than its factorization.

655422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its digits is 2400, while the sum is 24.

The square root of 655422 is about 809.5813733035. The cubic root of 655422 is about 86.8641028031.

Adding to 655422 its reverse (224556), we get a palindrome (879978).

The spelling of 655422 in words is "six hundred fifty-five thousand, four hundred twenty-two".