22244928 has 28 divisors (see below), whose sum is σ = 58856880. Its totient is φ = 7414912.

The previous prime is 22244923. The next prime is 22244941. The reversal of 22244928 is 82944222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22244923) by changing a digit.

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, 57738 + ... + 58121.

Almost surely, 2^22244928 is an apocalyptic number.

It is an amenable number.

22244928 is an abundant number, since it is smaller than the sum of its proper divisors (36611952).

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

22244928 is a wasteful number, since it uses less digits than its factorization.

22244928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115874 (or 115864 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 22244928 is about 4716.4529044611. The cubic root of 22244928 is about 281.2399431466.

It can be divided in two parts, 222 and 44928, that added together give a triangular number (45150 = T₃₀₀).

The spelling of 22244928 in words is "twenty-two million, two hundred forty-four thousand, nine hundred twenty-eight".