622169 has 4 divisors (see below), whose sum is σ = 623844. Its totient is φ = 620496.

The previous prime is 622159. The next prime is 622177. The reversal of 622169 is 961226.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40000 + 582169 = 200^2 + 763^2 .

It is a cyclic number.

It is not a de Polignac number, because 622169 - 2⁸ = 621913 is a prime.

It is a super-2 number, since 2×622169² = 774188529122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622109) 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, 2 + ... + 1115.

It is an arithmetic number, because the mean of its divisors is an integer number (155961).

2⁶²²¹⁶⁹ is an apocalyptic number.

It is an amenable number.

622169 is a deficient number, since it is larger than the sum of its proper divisors (1675).

622169 is a wasteful number, since it uses less digits than its factorization.

622169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its digits is 1296, while the sum is 26.

The square root of 622169 is about 788.7769012845. The cubic root of 622169 is about 85.3695101463.

The spelling of 622169 in words is "six hundred twenty-two thousand, one hundred sixty-nine".