22136226 has 16 divisors (see below), whose sum is σ = 50597184. Its totient is φ = 6324624.

The previous prime is 22136209. The next prime is 22136239. The reversal of 22136226 is 62263122.

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

It is a junction number, because it is equal to n+sod(n) for n = 22136196 and 22136205.

It is an unprimeable number.

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, 263485 + ... + 263568.

It is an arithmetic number, because the mean of its divisors is an integer number (3162324).

Almost surely, 2^22136226 is an apocalyptic number.

22136226 is an abundant number, since it is smaller than the sum of its proper divisors (28460958).

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

22136226 is a wasteful number, since it uses less digits than its factorization.

22136226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527065.

The product of its digits is 1728, while the sum is 24.

The square root of 22136226 is about 4704.9150895633. The cubic root of 22136226 is about 280.7810928333.

Adding to 22136226 its reverse (62263122), we get a palindrome (84399348).

The spelling of 22136226 in words is "twenty-two million, one hundred thirty-six thousand, two hundred twenty-six".