22549268 has 12 divisors (see below), whose sum is σ = 45098592. Its totient is φ = 9663960.

The previous prime is 22549253. The next prime is 22549271. The reversal of 22549268 is 86294522.

22549268 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402638 + ... + 402693.

It is an arithmetic number, because the mean of its divisors is an integer number (3758216).

Almost surely, 2^22549268 is an apocalyptic number.

22549268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22549268 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.

22549268 is a wasteful number, since it uses less digits than its factorization.

22549268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805342 (or 805340 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 22549268 is about 4748.6069536233. The cubic root of 22549268 is about 282.5167160600.

The spelling of 22549268 in words is "twenty-two million, five hundred forty-nine thousand, two hundred sixty-eight".