2220022012 has 12 divisors (see below), whose sum is σ = 4183887736. Its totient is φ = 1024625520.

The previous prime is 2220022009. The next prime is 2220022033. The reversal of 2220022012 is 2102200222.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2220021983 and 2220022001.

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, 21346314 + ... + 21346417.

Almost surely, 2^2220022012 is an apocalyptic number.

It is an amenable number.

2220022012 is a deficient number, since it is larger than the sum of its proper divisors (1963865724).

2220022012 is a wasteful number, since it uses less digits than its factorization.

2220022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42692748 (or 42692746 counting only the distinct ones).

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

The square root of 2220022012 is about 47117.1095463209. The cubic root of 2220022012 is about 1304.5250615844.

Adding to 2220022012 its reverse (2102200222), we get a palindrome (4322222234).

The spelling of 2220022012 in words is "two billion, two hundred twenty million, twenty-two thousand, twelve".