22240328 has 16 divisors (see below), whose sum is σ = 45491760. Its totient is φ = 10109200.

The previous prime is 22240319. The next prime is 22240343. The reversal of 22240328 is 82304222.

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, 126278 + ... + 126453.

It is an arithmetic number, because the mean of its divisors is an integer number (2843235).

Almost surely, 2^22240328 is an apocalyptic number.

It is an amenable number.

22240328 is an abundant number, since it is smaller than the sum of its proper divisors (23251432).

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

22240328 is a wasteful number, since it uses less digits than its factorization.

22240328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252748 (or 252744 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22240328 is about 4715.9652246385. The cubic root of 22240328 is about 281.2205560617.

The spelling of 22240328 in words is "twenty-two million, two hundred forty thousand, three hundred twenty-eight".