622463 has 4 divisors (see below), whose sum is σ = 628728. Its totient is φ = 616200.

The previous prime is 622423. The next prime is 622477. The reversal of 622463 is 364226.

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

It is a cyclic number.

It is not a de Polignac number, because 622463 - 2⁶ = 622399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2981 + ... + 3182.

It is an arithmetic number, because the mean of its divisors is an integer number (157182).

2⁶²²⁴⁶³ is an apocalyptic number.

622463 is a deficient number, since it is larger than the sum of its proper divisors (6265).

622463 is a wasteful number, since it uses less digits than its factorization.

622463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264.

The product of its digits is 1728, while the sum is 23.

The square root of 622463 is about 788.9632437573. The cubic root of 622463 is about 85.3829548769.

Adding to 622463 its reverse (364226), we get a palindrome (986689).

The spelling of 622463 in words is "six hundred twenty-two thousand, four hundred sixty-three".