622869 has 8 divisors (see below), whose sum is σ = 894432. Its totient is φ = 383280.

The previous prime is 622861. The next prime is 622879. The reversal of 622869 is 968226.

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

It is not a de Polignac number, because 622869 - 2³ = 622861 is a prime.

It is a super-2 number, since 2×622869² = 775931582322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622861) 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, 7947 + ... + 8024.

It is an arithmetic number, because the mean of its divisors is an integer number (111804).

2⁶²²⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

622869 is a deficient number, since it is larger than the sum of its proper divisors (271563).

622869 is a wasteful number, since it uses less digits than its factorization.

622869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15987.

The product of its digits is 10368, while the sum is 33.

The square root of 622869 is about 789.2205015077. The cubic root of 622869 is about 85.4015144515.

The spelling of 622869 in words is "six hundred twenty-two thousand, eight hundred sixty-nine".