22226226 has 16 divisors (see below), whose sum is σ = 48493728. Its totient is φ = 6735200.

The previous prime is 22226221. The next prime is 22226231. The reversal of 22226226 is 62262222.

It is an interprime number because it is at equal distance from previous prime (22226221) and next prime (22226231).

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22226196 and 22226205.

It is not an unprimeable number, because it can be changed into a prime (22226221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168315 + ... + 168446.

It is an arithmetic number, because the mean of its divisors is an integer number (3030858).

Almost surely, 2^22226226 is an apocalyptic number.

22226226 is an abundant number, since it is smaller than the sum of its proper divisors (26267502).

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

22226226 is a wasteful number, since it uses less digits than its factorization.

22226226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336777.

The product of its digits is 2304, while the sum is 24.

The square root of 22226226 is about 4714.4698535466. The cubic root of 22226226 is about 281.1611053381.

Adding to 22226226 its reverse (62262222), we get a palindrome (84488448).

It can be divided in two parts, 2222 and 6226, that added together give a palindrome (8448).

The spelling of 22226226 in words is "twenty-two million, two hundred twenty-six thousand, two hundred twenty-six".