622135 has 4 divisors (see below), whose sum is σ = 746568. Its totient is φ = 497704.

The previous prime is 622133. The next prime is 622151. The reversal of 622135 is 531226.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531226 = 2 ⋅265613.

It is a cyclic number.

It is not a de Polignac number, because 622135 - 2¹ = 622133 is a prime.

It is a d-powerful number, because it can be written as 6 + 2⁵ + 1 + 2¹⁹ + 3⁹ + 5⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62209 + ... + 62218.

It is an arithmetic number, because the mean of its divisors is an integer number (186642).

2⁶²²¹³⁵ is an apocalyptic number.

622135 is a deficient number, since it is larger than the sum of its proper divisors (124433).

622135 is a wasteful number, since it uses less digits than its factorization.

622135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124432.

The product of its digits is 360, while the sum is 19.

The square root of 622135 is about 788.7553486348. The cubic root of 622135 is about 85.3679550404.

Subtracting from 622135 its reverse (531226), we obtain a palindrome (90909).

It can be divided in two parts, 622 and 135, that added together give a palindrome (757).

The spelling of 622135 in words is "six hundred twenty-two thousand, one hundred thirty-five".