622955 has 8 divisors (see below), whose sum is σ = 780192. Its totient is φ = 476608.

The previous prime is 622943. The next prime is 622957. The reversal of 622955 is 559226.

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

It is a cyclic number.

It is not a de Polignac number, because 622955 - 2¹² = 618859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622957) 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, 2594 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (97524).

2⁶²²⁹⁵⁵ is an apocalyptic number.

622955 is a deficient number, since it is larger than the sum of its proper divisors (157237).

622955 is a wasteful number, since it uses less digits than its factorization.

622955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5445.

The product of its digits is 5400, while the sum is 29.

The square root of 622955 is about 789.2749837667. The cubic root of 622955 is about 85.4054447548.

The spelling of 622955 in words is "six hundred twenty-two thousand, nine hundred fifty-five".