622419 has 16 divisors (see below), whose sum is σ = 960768. Its totient is φ = 351072.

The previous prime is 622399. The next prime is 622423. The reversal of 622419 is 914226.

It is not a de Polignac number, because 622419 - 2¹² = 618323 is a prime.

It is a super-2 number, since 2×622419² = 774810823122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (622019) 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 15 ways as a sum of consecutive naturals, for example, 2109 + ... + 2385.

It is an arithmetic number, because the mean of its divisors is an integer number (60048).

2⁶²²⁴¹⁹ is an apocalyptic number.

622419 is a deficient number, since it is larger than the sum of its proper divisors (338349).

622419 is a wasteful number, since it uses less digits than its factorization.

622419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394.

The product of its digits is 864, while the sum is 24.

The square root of 622419 is about 788.9353585687. The cubic root of 622419 is about 85.3809430098.

The spelling of 622419 in words is "six hundred twenty-two thousand, four hundred nineteen".