22408266 has 8 divisors (see below), whose sum is σ = 44816544. Its totient is φ = 7469420.

The previous prime is 22408247. The next prime is 22408283. The reversal of 22408266 is 66280422.

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

22408266 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867350 + ... + 1867361.

It is an arithmetic number, because the mean of its divisors is an integer number (5602068).

Almost surely, 2^22408266 is an apocalyptic number.

22408266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22408266 is a wasteful number, since it uses less digits than its factorization.

22408266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734716.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 22408266 is about 4733.7370015665. The cubic root of 22408266 is about 281.9266194060.

Adding to 22408266 its reverse (66280422), we get a palindrome (88688688).

The spelling of 22408266 in words is "twenty-two million, four hundred eight thousand, two hundred sixty-six".