622437 has 4 divisors (see below), whose sum is σ = 829920. Its totient is φ = 414956.

The previous prime is 622423. The next prime is 622477. The reversal of 622437 is 734226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 622437 - 2¹⁸ = 360293 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 622437.

It is not an unprimeable number, because it can be changed into a prime (622477) 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, 103737 + ... + 103742.

It is an arithmetic number, because the mean of its divisors is an integer number (207480).

2⁶²²⁴³⁷ is an apocalyptic number.

It is an amenable number.

622437 is a deficient number, since it is larger than the sum of its proper divisors (207483).

622437 is a wasteful number, since it uses less digits than its factorization.

622437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207482.

The product of its digits is 2016, while the sum is 24.

The square root of 622437 is about 788.9467662650. The cubic root of 622437 is about 85.3817660578.

The spelling of 622437 in words is "six hundred twenty-two thousand, four hundred thirty-seven".