622963 has 4 divisors (see below), whose sum is σ = 679608. Its totient is φ = 566320.

The previous prime is 622957. The next prime is 622967. The reversal of 622963 is 369226.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622967) 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, 28306 + ... + 28327.

It is an arithmetic number, because the mean of its divisors is an integer number (169902).

2⁶²²⁹⁶³ is an apocalyptic number.

622963 is a deficient number, since it is larger than the sum of its proper divisors (56645).

622963 is a wasteful number, since it uses less digits than its factorization.

622963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56644.

The product of its digits is 3888, while the sum is 28.

The square root of 622963 is about 789.2800516927. The cubic root of 622963 is about 85.4058103461.

It can be divided in two parts, 62 and 2963, that added together give a square (3025 = 55²).

The spelling of 622963 in words is "six hundred twenty-two thousand, nine hundred sixty-three".