622783 has 4 divisors (see below), whose sum is σ = 711760. Its totient is φ = 533808.

The previous prime is 622781. The next prime is 622793. The reversal of 622783 is 387226.

622783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 622783 - 2¹ = 622781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622781) 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, 44478 + ... + 44491.

It is an arithmetic number, because the mean of its divisors is an integer number (177940).

2⁶²²⁷⁸³ is an apocalyptic number.

622783 is a deficient number, since it is larger than the sum of its proper divisors (88977).

622783 is an equidigital number, since it uses as much as digits as its factorization.

622783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88976.

The product of its digits is 4032, while the sum is 28.

The square root of 622783 is about 789.1660154872. The cubic root of 622783 is about 85.3975837865.

The spelling of 622783 in words is "six hundred twenty-two thousand, seven hundred eighty-three".