623222 has 8 divisors (see below), whose sum is σ = 938736. Its totient is φ = 310312.

The previous prime is 623221. The next prime is 623261. The reversal of 623222 is 222326.

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

It is a super-2 number, since 2×623222² = 776811322568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 623222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623221) 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, 143 + ... + 1125.

It is an arithmetic number, because the mean of its divisors is an integer number (117342).

2⁶²³²²² is an apocalyptic number.

623222 is a deficient number, since it is larger than the sum of its proper divisors (315514).

623222 is a wasteful number, since it uses less digits than its factorization.

623222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302.

The product of its digits is 288, while the sum is 17.

The square root of 623222 is about 789.4441082179. Note that the first 3 decimals coincide. The cubic root of 623222 is about 85.4176446712.

Adding to 623222 its reverse (222326), we get a palindrome (845548).

The spelling of 623222 in words is "six hundred twenty-three thousand, two hundred twenty-two".