622826 has 8 divisors (see below), whose sum is σ = 943140. Its totient is φ = 308448.

The previous prime is 622813. The next prime is 622849. The reversal of 622826 is 628226.

It can be written as a sum of positive squares in 2 ways, for example, as 600625 + 22201 = 775^2 + 149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 622795 and 622804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211 + ... + 1646.

2⁶²²⁸²⁶ is an apocalyptic number.

622826 is a deficient number, since it is larger than the sum of its proper divisors (320314).

622826 is a wasteful number, since it uses less digits than its factorization.

622826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968.

The product of its digits is 2304, while the sum is 26.

The square root of 622826 is about 789.1932589677. The cubic root of 622826 is about 85.3995491642.

The spelling of 622826 in words is "six hundred twenty-two thousand, eight hundred twenty-six".