22840006 has 32 divisors (see below), whose sum is σ = 40227840. Its totient is φ = 9524736.

The previous prime is 22840001. The next prime is 22840007. The reversal of 22840006 is 60004822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22840001) 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 15 ways as a sum of consecutive naturals, for example, 118246 + ... + 118438.

It is an arithmetic number, because the mean of its divisors is an integer number (1257120).

Almost surely, 2^22840006 is an apocalyptic number.

22840006 is a deficient number, since it is larger than the sum of its proper divisors (17387834).

22840006 is a wasteful number, since it uses less digits than its factorization.

22840006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 22840006 is about 4779.1218858698. The cubic root of 22840006 is about 283.7257403234.

Adding to 22840006 its reverse (60004822), we get a palindrome (82844828).

The spelling of 22840006 in words is "twenty-two million, eight hundred forty thousand, six".