622698 has 16 divisors (see below), whose sum is σ = 1264800. Its totient is φ = 204336.

The previous prime is 622669. The next prime is 622709. The reversal of 622698 is 896226.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 622698.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373 + ... + 1176.

It is an arithmetic number, because the mean of its divisors is an integer number (79050).

2⁶²²⁶⁹⁸ is an apocalyptic number.

622698 is an abundant number, since it is smaller than the sum of its proper divisors (642102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622698 is a wasteful number, since it uses less digits than its factorization.

622698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621.

The product of its digits is 10368, while the sum is 33.

The square root of 622698 is about 789.1121593284. The cubic root of 622698 is about 85.3936984712.

The spelling of 622698 in words is "six hundred twenty-two thousand, six hundred ninety-eight".