2212021226 has 8 divisors (see below), whose sum is σ = 3432446820. Its totient is φ = 1067872288.

The previous prime is 2212021187. The next prime is 2212021261. The reversal of 2212021226 is 6221202122.

2212021226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2208906001 + 3115225 = 46999^2 + 1765^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2212021198 and 2212021207.

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, 19069091 + ... + 19069206.

Almost surely, 2^2212021226 is an apocalyptic number.

2212021226 is a deficient number, since it is larger than the sum of its proper divisors (1220425594).

2212021226 is a wasteful number, since it uses less digits than its factorization.

2212021226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38138328.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2212021226 is about 47032.1297200116. The cubic root of 2212021226 is about 1302.9560397049.

Adding to 2212021226 its reverse (6221202122), we get a palindrome (8433223348).

The spelling of 2212021226 in words is "two billion, two hundred twelve million, twenty-one thousand, two hundred twenty-six".