2220000212 has 6 divisors (see below), whose sum is σ = 3885000378. Its totient is φ = 1110000104.

The previous prime is 2220000203. The next prime is 2220000217. The reversal of 2220000212 is 2120000222.

It can be written as a sum of positive squares in only one way, i.e., 1932833296 + 287166916 = 43964^2 + 16946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2220000193 and 2220000202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220000217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277500023 + ... + 277500030.

It is an arithmetic number, because the mean of its divisors is an integer number (647500063).

Almost surely, 2^2220000212 is an apocalyptic number.

It is an amenable number.

2220000212 is a deficient number, since it is larger than the sum of its proper divisors (1665000166).

2220000212 is a wasteful number, since it uses less digits than its factorization.

2220000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555000057 (or 555000055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2220000212 is about 47116.8782072836. The cubic root of 2220000212 is about 1304.5207915457.

Adding to 2220000212 its reverse (2120000222), we get a palindrome (4340000434).

The spelling of 2220000212 in words is "two billion, two hundred twenty million, two hundred twelve", and thus it is an aban number.