2406221226 has 12 divisors (see below), whose sum is σ = 5213479362. Its totient is φ = 802073736.

The previous prime is 2406221221. The next prime is 2406221227. The reversal of 2406221226 is 6221226042.

It is a happy number.

2406221226 is a `hidden beast` number, since 2 + 4 + 0 + 622 + 12 + 26 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1292330601 + 1113890625 = 35949^2 + 33375^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2406221226.

It is not an unprimeable number, because it can be changed into a prime (2406221221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66839461 + ... + 66839496.

Almost surely, 2^2406221226 is an apocalyptic number.

2406221226 is an abundant number, since it is smaller than the sum of its proper divisors (2807258136).

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

2406221226 is a wasteful number, since it uses less digits than its factorization.

2406221226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133678965 (or 133678962 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2406221226 is about 49053.2488832289. The cubic root of 2406221226 is about 1340.0217613604.

Adding to 2406221226 its reverse (6221226042), we get a palindrome (8627447268).

The spelling of 2406221226 in words is "two billion, four hundred six million, two hundred twenty-one thousand, two hundred twenty-six".