622423325 has 6 divisors (see below), whose sum is σ = 771804954. Its totient is φ = 497938640.

The previous prime is 622423289. The next prime is 622423327. The reversal of 622423325 is 523324226.

622423325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 120409 + 622302916 = 347^2 + 24946^2 .

It is not a de Polignac number, because 622423325 - 2⁸ = 622423069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622423327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12448442 + ... + 12448491.

It is an arithmetic number, because the mean of its divisors is an integer number (128634159).

Almost surely, 2^622423325 is an apocalyptic number.

It is an amenable number.

622423325 is a deficient number, since it is larger than the sum of its proper divisors (149381629).

622423325 is a wasteful number, since it uses less digits than its factorization.

622423325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24896943 (or 24896938 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 622423325 is about 24948.4132761985. The cubic root of 622423325 is about 853.8114077135.

Subtracting from 622423325 its reverse (523324226), we obtain a palindrome (99099099).

The spelling of 622423325 in words is "six hundred twenty-two million, four hundred twenty-three thousand, three hundred twenty-five".