222022012 has 12 divisors (see below), whose sum is σ = 393220296. Its totient is φ = 109673360.

The previous prime is 222022001. The next prime is 222022019. The reversal of 222022012 is 210220222.

It is a junction number, because it is equal to n+sod(n) for n = 222021983 and 222022001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222022019) 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 3 ways as a sum of consecutive naturals, for example, 334039 + ... + 334702.

It is an arithmetic number, because the mean of its divisors is an integer number (32768358).

Almost surely, 2^222022012 is an apocalyptic number.

It is an amenable number.

222022012 is a deficient number, since it is larger than the sum of its proper divisors (171198284).

222022012 is a wasteful number, since it uses less digits than its factorization.

222022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668828 (or 668826 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 222022012 is about 14900.4030817961. The cubic root of 222022012 is about 605.5249065629.

Adding to 222022012 its reverse (210220222), we get a palindrome (432242234).

The spelling of 222022012 in words is "two hundred twenty-two million, twenty-two thousand, twelve".