22253766 has 8 divisors (see below), whose sum is σ = 44507544. Its totient is φ = 7417920.

The previous prime is 22253741. The next prime is 22253783. The reversal of 22253766 is 66735222.

It is a happy number.

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

22253766 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1854475 + ... + 1854486.

It is an arithmetic number, because the mean of its divisors is an integer number (5563443).

Almost surely, 2^22253766 is an apocalyptic number.

22253766 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.

22253766 is a wasteful number, since it uses less digits than its factorization.

22253766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708966.

The product of its digits is 30240, while the sum is 33.

The square root of 22253766 is about 4717.3897443396. The cubic root of 22253766 is about 281.2771841379.

Adding to 22253766 its reverse (66735222), we get a palindrome (88988988).

The spelling of 22253766 in words is "twenty-two million, two hundred fifty-three thousand, seven hundred sixty-six".