2222021012 has 12 divisors (see below), whose sum is σ = 3941804916. Its totient is φ = 1095791040.

The previous prime is 2222020993. The next prime is 2222021017. The reversal of 2222021012 is 2101202222.

It can be written as a sum of positive squares in 2 ways, for example, as 397364356 + 1824656656 = 19934^2 + 42716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222021017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3804539 + ... + 3805122.

It is an arithmetic number, because the mean of its divisors is an integer number (328483743).

Almost surely, 2^2222021012 is an apocalyptic number.

It is an amenable number.

2222021012 is a deficient number, since it is larger than the sum of its proper divisors (1719783904).

2222021012 is a wasteful number, since it uses less digits than its factorization.

2222021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7609738 (or 7609736 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2222021012 is about 47138.3178741032. The cubic root of 2222021012 is about 1304.9164936314.

Adding to 2222021012 its reverse (2101202222), we get a palindrome (4323223234).

The spelling of 2222021012 in words is "two billion, two hundred twenty-two million, twenty-one thousand, twelve".