622768 has 10 divisors (see below), whose sum is σ = 1206644. Its totient is φ = 311376.

The previous prime is 622751. The next prime is 622777. The reversal of 622768 is 867226.

It is a happy number.

It is an unprimeable number.

622768 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19446 + ... + 19477.

2⁶²²⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

622768 is a deficient number, since it is larger than the sum of its proper divisors (583876).

622768 is a wasteful number, since it uses less digits than its factorization.

622768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38931 (or 38925 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 622768 is about 789.1565117263. The cubic root of 622768 is about 85.3968981683.

The spelling of 622768 in words is "six hundred twenty-two thousand, seven hundred sixty-eight".