622769 has 8 divisors (see below), whose sum is σ = 728640. Its totient is φ = 521136.

The previous prime is 622751. The next prime is 622777. The reversal of 622769 is 967226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 622769 - 2⁸ = 622513 is a prime.

It is a super-2 number, since 2×622769² = 775682454722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734 + ... + 1335.

It is an arithmetic number, because the mean of its divisors is an integer number (91080).

2⁶²²⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

622769 is a deficient number, since it is larger than the sum of its proper divisors (105871).

622769 is a wasteful number, since it uses less digits than its factorization.

622769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119.

The product of its digits is 9072, while the sum is 32.

The square root of 622769 is about 789.1571453139. The cubic root of 622769 is about 85.3969438765.

The spelling of 622769 in words is "six hundred twenty-two thousand, seven hundred sixty-nine".