622298 has 8 divisors (see below), whose sum is σ = 956340. Its totient is φ = 303520.

The previous prime is 622277. The next prime is 622301. The reversal of 622298 is 892226.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 413449 + 208849 = 643^2 + 457^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 622298.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3713 + ... + 3876.

2⁶²²²⁹⁸ is an apocalyptic number.

622298 is a deficient number, since it is larger than the sum of its proper divisors (334042).

622298 is a wasteful number, since it uses less digits than its factorization.

622298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632.

The product of its digits is 3456, while the sum is 29.

The square root of 622298 is about 788.8586692178. The cubic root of 622298 is about 85.3754098862.

The spelling of 622298 in words is "six hundred twenty-two thousand, two hundred ninety-eight".