622319 has 4 divisors (see below), whose sum is σ = 658944. Its totient is φ = 585696.

The previous prime is 622313. The next prime is 622331. The reversal of 622319 is 913226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913226 = 2 ⋅456613.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622319 is a prime.

It is a super-2 number, since 2×622319² = 774561875522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 622294 and 622303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18287 + ... + 18320.

It is an arithmetic number, because the mean of its divisors is an integer number (164736).

2⁶²²³¹⁹ is an apocalyptic number.

622319 is a deficient number, since it is larger than the sum of its proper divisors (36625).

622319 is a wasteful number, since it uses less digits than its factorization.

622319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36624.

The product of its digits is 648, while the sum is 23.

The square root of 622319 is about 788.8719794745. The cubic root of 622319 is about 85.3763702318.

The spelling of 622319 in words is "six hundred twenty-two thousand, three hundred nineteen".