622297 has 4 divisors (see below), whose sum is σ = 670180. Its totient is φ = 574416.

The previous prime is 622277. The next prime is 622301. The reversal of 622297 is 792226.

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

It can be written as a sum of positive squares in 2 ways, for example, as 290521 + 331776 = 539^2 + 576^2 .

It is a cyclic number.

It is not a de Polignac number, because 622297 - 2¹⁵ = 589529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23922 + ... + 23947.

It is an arithmetic number, because the mean of its divisors is an integer number (167545).

2⁶²²²⁹⁷ is an apocalyptic number.

It is an amenable number.

622297 is a deficient number, since it is larger than the sum of its proper divisors (47883).

622297 is a wasteful number, since it uses less digits than its factorization.

622297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47882.

The product of its digits is 3024, while the sum is 28.

The square root of 622297 is about 788.8580353904. The cubic root of 622297 is about 85.3753641549.

It can be divided in two parts, 622 and 297, that added together give a palindrome (919).

The spelling of 622297 in words is "six hundred twenty-two thousand, two hundred ninety-seven".