622923 has 8 divisors (see below), whose sum is σ = 949248. Its totient is φ = 355944.

The previous prime is 622901. The next prime is 622927. The reversal of 622923 is 329226.

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

It is not a de Polignac number, because 622923 - 2¹⁴ = 606539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 622893 and 622902.

It is not an unprimeable number, because it can be changed into a prime (622927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14811 + ... + 14852.

It is an arithmetic number, because the mean of its divisors is an integer number (118656).

2⁶²²⁹²³ is an apocalyptic number.

622923 is a deficient number, since it is larger than the sum of its proper divisors (326325).

622923 is a wasteful number, since it uses less digits than its factorization.

622923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29673.

The product of its digits is 1296, while the sum is 24.

The square root of 622923 is about 789.2547117376. The cubic root of 622923 is about 85.4039823587.

The spelling of 622923 in words is "six hundred twenty-two thousand, nine hundred twenty-three".