2220222012 has 12 divisors (see below), whose sum is σ = 5180518056. Its totient is φ = 740074000.

The previous prime is 2220221951. The next prime is 2220222023. The reversal of 2220222012 is 2102220222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2220221982 and 2220222000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92509239 + ... + 92509262.

It is an arithmetic number, because the mean of its divisors is an integer number (431709838).

Almost surely, 2^2220222012 is an apocalyptic number.

It is an amenable number.

2220222012 is an abundant number, since it is smaller than the sum of its proper divisors (2960296044).

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

2220222012 is a wasteful number, since it uses less digits than its factorization.

2220222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185018508 (or 185018506 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2220222012 is about 47119.2318698003. The cubic root of 2220222012 is about 1304.5642349464.

Adding to 2220222012 its reverse (2102220222), we get a palindrome (4322442234).

The spelling of 2220222012 in words is "two billion, two hundred twenty million, two hundred twenty-two thousand, twelve".