6223312 has 20 divisors (see below), whose sum is σ = 12447616. Its totient is φ = 3011040.

The previous prime is 6223291. The next prime is 6223319. The reversal of 6223312 is 2133226.

6223312 is an admirable number.

It is a super-2 number, since 2×6223312² = 77459224498688, 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 6223312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6223319) 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, 5778 + ... + 6769.

Almost surely, 2^6223312 is an apocalyptic number.

6223312 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6223312 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6223312 is a wasteful number, since it uses less digits than its factorization.

6223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12586 (or 12580 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 6223312 is about 2494.6566898072. The cubic root of 6223312 is about 183.9390157066.

Adding to 6223312 its reverse (2133226), we get a palindrome (8356538).

The spelling of 6223312 in words is "six million, two hundred twenty-three thousand, three hundred twelve".