622897 has 8 divisors (see below), whose sum is σ = 719712. Its totient is φ = 532800.

The previous prime is 622889. The next prime is 622901. The reversal of 622897 is 798226.

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 622897 - 2³ = 622889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1479 + ... + 1852.

It is an arithmetic number, because the mean of its divisors is an integer number (89964).

2⁶²²⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

622897 is a deficient number, since it is larger than the sum of its proper divisors (96815).

622897 is a wasteful number, since it uses less digits than its factorization.

622897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359.

The product of its digits is 12096, while the sum is 34.

The square root of 622897 is about 789.2382403305. The cubic root of 622897 is about 85.4027941249.

The spelling of 622897 in words is "six hundred twenty-two thousand, eight hundred ninety-seven".