22330818 has 24 divisors (see below), whose sum is σ = 48969648. Its totient is φ = 7353432.

The previous prime is 22330807. The next prime is 22330831. The reversal of 22330818 is 81803322.

It is a junction number, because it is equal to n+sod(n) for n = 22330791 and 22330800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5980 + ... + 8967.

It is an arithmetic number, because the mean of its divisors is an integer number (2040402).

Almost surely, 2^22330818 is an apocalyptic number.

22330818 is an abundant number, since it is smaller than the sum of its proper divisors (26638830).

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

22330818 is a wasteful number, since it uses less digits than its factorization.

22330818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15038 (or 15035 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22330818 is about 4725.5494918581. The cubic root of 22330818 is about 281.6014439196.

The spelling of 22330818 in words is "twenty-two million, three hundred thirty thousand, eight hundred eighteen".