222444012 has 48 divisors (see below), whose sum is σ = 598752000. Its totient is φ = 62958912.

The previous prime is 222444011. The next prime is 222444043. The reversal of 222444012 is 210444222.

222444012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222444012² = 98962676949312288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 222444012.

It is not an unprimeable number, because it can be changed into a prime (222444011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3387 + ... + 21362.

It is an arithmetic number, because the mean of its divisors is an integer number (12474000).

Almost surely, 2^222444012 is an apocalyptic number.

It is an amenable number.

222444012 is an abundant number, since it is smaller than the sum of its proper divisors (376307988).

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

222444012 is a wasteful number, since it uses less digits than its factorization.

222444012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24870 (or 24868 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 222444012 is about 14914.5570500769. The cubic root of 222444012 is about 605.9083066617.

Adding to 222444012 its reverse (210444222), we get a palindrome (432888234).

The spelling of 222444012 in words is "two hundred twenty-two million, four hundred forty-four thousand, twelve".