622426 has 16 divisors (see below), whose sum is σ = 1113984. Its totient is φ = 255024.

The previous prime is 622423. The next prime is 622477. The reversal of 622426 is 624226.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 622397 and 622406.

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 7 ways as a sum of consecutive naturals, for example, 645 + ... + 1288.

It is an arithmetic number, because the mean of its divisors is an integer number (69624).

2⁶²²⁴²⁶ is an apocalyptic number.

622426 is a deficient number, since it is larger than the sum of its proper divisors (491558).

622426 is a wasteful number, since it uses less digits than its factorization.

622426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965.

The product of its digits is 1152, while the sum is 22.

The square root of 622426 is about 788.9397949147. The cubic root of 622426 is about 85.3812630859.

The spelling of 622426 in words is "six hundred twenty-two thousand, four hundred twenty-six".