622606 has 4 divisors (see below), whose sum is σ = 933912. Its totient is φ = 311302.

The previous prime is 622603. The next prime is 622607. The reversal of 622606 is 606226.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155650 + ... + 155653.

It is an arithmetic number, because the mean of its divisors is an integer number (233478).

2⁶²²⁶⁰⁶ is an apocalyptic number.

622606 is a deficient number, since it is larger than the sum of its proper divisors (311306).

622606 is a wasteful number, since it uses less digits than its factorization.

622606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311305.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 622606 is about 789.0538638141. The cubic root of 622606 is about 85.3894927903.

The spelling of 622606 in words is "six hundred twenty-two thousand, six hundred six".