623228 has 12 divisors (see below), whose sum is σ = 1120392. Its totient is φ = 303120.

The previous prime is 623221. The next prime is 623261. The reversal of 623228 is 822326.

It is an Ulam number.

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, 1958 + ... + 2253.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

2⁶²³²²⁸ is an apocalyptic number.

It is an amenable number.

623228 is a deficient number, since it is larger than the sum of its proper divisors (497164).

623228 is a wasteful number, since it uses less digits than its factorization.

623228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252 (or 4250 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 623228 is about 789.4479083511. The cubic root of 623228 is about 85.4179187866.

The spelling of 623228 in words is "six hundred twenty-three thousand, two hundred twenty-eight".