223344012 has 48 divisors (see below), whose sum is σ = 549906560. Its totient is φ = 70357248.

The previous prime is 223344001. The next prime is 223344013. The reversal of 223344012 is 210443322.

It is a super-2 number, since 2×223344012² = 99765095392512288, 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 223344012.

It is not an unprimeable number, because it can be changed into a prime (223344013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118308 + ... + 120180.

Almost surely, 2^223344012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223344012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274953280).

223344012 is an abundant number, since it is smaller than the sum of its proper divisors (326562548).

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

223344012 is a wasteful number, since it uses less digits than its factorization.

223344012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422 (or 2420 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 223344012 is about 14944.6984579817. The cubic root of 223344012 is about 606.7243677088.

Adding to 223344012 its reverse (210443322), we get a palindrome (433787334).

The spelling of 223344012 in words is "two hundred twenty-three million, three hundred forty-four thousand, twelve".