622265 has 16 divisors (see below), whose sum is σ = 891648. Its totient is φ = 407616.

The previous prime is 622249. The next prime is 622277. The reversal of 622265 is 562226.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 622265 - 2⁴ = 622249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a d-powerful number, because it can be written as 6³ + 2¹⁴ + 2¹⁶ + 2¹⁹ + 6³ + 5⁶ .

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 622265.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 419 + ... + 1191.

It is an arithmetic number, because the mean of its divisors is an integer number (55728).

2⁶²²²⁶⁵ is an apocalyptic number.

It is an amenable number.

622265 is a deficient number, since it is larger than the sum of its proper divisors (269383).

622265 is a wasteful number, since it uses less digits than its factorization.

622265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808.

The product of its digits is 1440, while the sum is 23.

The square root of 622265 is about 788.8377526463. The cubic root of 622265 is about 85.3739007281.

The spelling of 622265 in words is "six hundred twenty-two thousand, two hundred sixty-five".