22006226 has 16 divisors (see below), whose sum is σ = 36082368. Its totient is φ = 9982800.

The previous prime is 22006223. The next prime is 22006241. The reversal of 22006226 is 62260022.

It is a junction number, because it is equal to n+sod(n) for n = 22006198 and 22006207.

It is not an unprimeable number, because it can be changed into a prime (22006223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20171 + ... + 21233.

It is an arithmetic number, because the mean of its divisors is an integer number (2255148).

Almost surely, 2^22006226 is an apocalyptic number.

22006226 is a deficient number, since it is larger than the sum of its proper divisors (14076142).

22006226 is a wasteful number, since it uses less digits than its factorization.

22006226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22006226 is about 4691.0794067037. The cubic root of 22006226 is about 280.2303631435.

Adding to 22006226 its reverse (62260022), we get a palindrome (84266248).

The spelling of 22006226 in words is "twenty-two million, six thousand, two hundred twenty-six".