622289 has 4 divisors (see below), whose sum is σ = 624624. Its totient is φ = 619956.

The previous prime is 622277. The next prime is 622301. The reversal of 622289 is 982226.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (622277) and next prime (622301).

It is a cyclic number.

It is not a de Polignac number, because 622289 - 2¹⁶ = 556753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622249) 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, 707 + ... + 1320.

It is an arithmetic number, because the mean of its divisors is an integer number (156156).

2⁶²²²⁸⁹ is an apocalyptic number.

It is an amenable number.

622289 is a deficient number, since it is larger than the sum of its proper divisors (2335).

622289 is a wasteful number, since it uses less digits than its factorization.

622289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334.

The product of its digits is 3456, while the sum is 29.

The square root of 622289 is about 788.8529647533. The cubic root of 622289 is about 85.3749983029.

The spelling of 622289 in words is "six hundred twenty-two thousand, two hundred eighty-nine".