622766 has 8 divisors (see below), whose sum is σ = 943704. Its totient is φ = 308200.

The previous prime is 622751. The next prime is 622777. The reversal of 622766 is 667226.

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

It is a congruent number.

It is an unprimeable number.

622766 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 in 3 ways as a sum of consecutive naturals, for example, 1340 + ... + 1743.

It is an arithmetic number, because the mean of its divisors is an integer number (117963).

2⁶²²⁷⁶⁶ is an apocalyptic number.

622766 is a deficient number, since it is larger than the sum of its proper divisors (320938).

622766 is a wasteful number, since it uses less digits than its factorization.

622766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186.

The product of its digits is 6048, while the sum is 29.

The square root of 622766 is about 789.1552445495. The cubic root of 622766 is about 85.3968067517.

The spelling of 622766 in words is "six hundred twenty-two thousand, seven hundred sixty-six".