622425 has 24 divisors (see below), whose sum is σ = 1058464. Its totient is φ = 322560.

The previous prime is 622423. The next prime is 622477. The reversal of 622425 is 524226.

622425 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 622425 - 2¹ = 622423 is a prime.

It is a Duffinian number.

622425 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (622423) 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 23 ways as a sum of consecutive naturals, for example, 3129 + ... + 3321.

2⁶²²⁴²⁵ is an apocalyptic number.

It is an amenable number.

622425 is a deficient number, since it is larger than the sum of its proper divisors (436039).

622425 is a wasteful number, since it uses less digits than its factorization.

622425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 244 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 622425 is about 788.9391611525. The cubic root of 622425 is about 85.3812173609.

The spelling of 622425 in words is "six hundred twenty-two thousand, four hundred twenty-five".