622469 has 4 divisors (see below), whose sum is σ = 625920. Its totient is φ = 619020.

The previous prime is 622423. The next prime is 622477. The reversal of 622469 is 964226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622469 is a prime.

It is a super-2 number, since 2×622469² = 774935311922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622669) 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, 1439 + ... + 1820.

It is an arithmetic number, because the mean of its divisors is an integer number (156480).

2⁶²²⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

622469 is a deficient number, since it is larger than the sum of its proper divisors (3451).

622469 is a wasteful number, since it uses less digits than its factorization.

622469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450.

The product of its digits is 5184, while the sum is 29.

The square root of 622469 is about 788.9670462066. The cubic root of 622469 is about 85.3832292151.

The spelling of 622469 in words is "six hundred twenty-two thousand, four hundred sixty-nine".