22240748 has 12 divisors (see below), whose sum is σ = 39228672. Its totient is φ = 11032560.

The previous prime is 22240739. The next prime is 22240753. The reversal of 22240748 is 84704222.

It is a self number, because there is not a number n which added to its sum of digits gives 22240748.

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, 21383 + ... + 22398.

It is an arithmetic number, because the mean of its divisors is an integer number (3269056).

Almost surely, 2^22240748 is an apocalyptic number.

It is an amenable number.

22240748 is a deficient number, since it is larger than the sum of its proper divisors (16987924).

22240748 is a wasteful number, since it uses less digits than its factorization.

22240748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43912 (or 43910 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 22240748 is about 4716.0097540188. The cubic root of 22240748 is about 281.2223262977. Note that the first 3 decimals are identical.

The spelling of 22240748 in words is "twenty-two million, two hundred forty thousand, seven hundred forty-eight".