622263 has 8 divisors (see below), whose sum is σ = 856576. Its totient is φ = 401400.

The previous prime is 622249. The next prime is 622277. The reversal of 622263 is 362226.

It is an interprime number because it is at equal distance from previous prime (622249) and next prime (622277).

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

It is not a de Polignac number, because 622263 - 2⁴ = 622247 is a prime.

It is a super-2 number, since 2×622263² = 774422482338, which contains 22 as substring.

It is a Duffinian number.

622263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622243) 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, 3253 + ... + 3438.

It is an arithmetic number, because the mean of its divisors is an integer number (107072).

2⁶²²²⁶³ is an apocalyptic number.

622263 is a deficient number, since it is larger than the sum of its proper divisors (234313).

622263 is a wasteful number, since it uses less digits than its factorization.

622263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725.

The product of its digits is 864, while the sum is 21.

The square root of 622263 is about 788.8364849574. The cubic root of 622263 is about 85.3738092622.

Adding to 622263 its reverse (362226), we get a palindrome (984489).

The spelling of 622263 in words is "six hundred twenty-two thousand, two hundred sixty-three".