22330566 has 40 divisors (see below), whose sum is σ = 50311800. Its totient is φ = 7402752.

The previous prime is 22330559. The next prime is 22330577. The reversal of 22330566 is 66503322.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 49510 + ... + 49958.

It is an arithmetic number, because the mean of its divisors is an integer number (1257795).

Almost surely, 2^22330566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22330566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25155900).

22330566 is an abundant number, since it is smaller than the sum of its proper divisors (27981234).

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

22330566 is a wasteful number, since it uses less digits than its factorization.

22330566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 22330566 is about 4725.5228282170. The cubic root of 22330566 is about 281.6003846387.

Adding to 22330566 its reverse (66503322), we get a palindrome (88833888).

The spelling of 22330566 in words is "twenty-two million, three hundred thirty thousand, five hundred sixty-six".