622699 has 8 divisors (see below), whose sum is σ = 776448. Its totient is φ = 485160.

The previous prime is 622669. The next prime is 622709. The reversal of 622699 is 996226.

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

It is a cyclic number.

It is not a de Polignac number, because 622699 - 2⁷ = 622571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3967 + ... + 4120.

It is an arithmetic number, because the mean of its divisors is an integer number (97056).

2⁶²²⁶⁹⁹ is an apocalyptic number.

622699 is a deficient number, since it is larger than the sum of its proper divisors (153749).

622699 is a wasteful number, since it uses less digits than its factorization.

622699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8105.

The product of its digits is 11664, while the sum is 34.

The square root of 622699 is about 789.1127929517. The cubic root of 622699 is about 85.3937441829.

It can be divided in two parts, 622 and 699, that multiplied together give a triangular number (434778 = T₉₃₂).

The spelling of 622699 in words is "six hundred twenty-two thousand, six hundred ninety-nine".