622411 has 4 divisors (see below), whose sum is σ = 624024. Its totient is φ = 620800.

The previous prime is 622399. The next prime is 622423. The reversal of 622411 is 114226.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (622399) and next prime (622423).

It is a cyclic number.

It is not a de Polignac number, because 622411 - 2¹¹ = 620363 is a prime.

It is a Duffinian number.

622411 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (622481) 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, 156 + ... + 1126.

It is an arithmetic number, because the mean of its divisors is an integer number (156006).

2⁶²²⁴¹¹ is an apocalyptic number.

622411 is a deficient number, since it is larger than the sum of its proper divisors (1613).

622411 is an equidigital number, since it uses as much as digits as its factorization.

622411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its digits is 96, while the sum is 16.

The square root of 622411 is about 788.9302884286. The cubic root of 622411 is about 85.3805772055.

Adding to 622411 its reverse (114226), we get a palindrome (736637).

The spelling of 622411 in words is "six hundred twenty-two thousand, four hundred eleven".