622306 has 4 divisors (see below), whose sum is σ = 933462. Its totient is φ = 311152.

The previous prime is 622301. The next prime is 622313. The reversal of 622306 is 603226.

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

It can be written as a sum of positive squares in only one way, i.e., 576081 + 46225 = 759^2 + 215^2 .

It is not an unprimeable number, because it can be changed into a prime (622301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155575 + ... + 155578.

2⁶²²³⁰⁶ is an apocalyptic number.

622306 is a deficient number, since it is larger than the sum of its proper divisors (311156).

622306 is a wasteful number, since it uses less digits than its factorization.

622306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311155.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 622306 is about 788.8637398182. The cubic root of 622306 is about 85.3757757347.

The spelling of 622306 in words is "six hundred twenty-two thousand, three hundred six".