22280006 has 24 divisors (see below), whose sum is σ = 39524256. Its totient is φ = 9389520.

The previous prime is 22279987. The next prime is 22280017. The reversal of 22280006 is 60008222.

It is a self number, because there is not a number n which added to its sum of digits gives 22280006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4115 + ... + 7841.

It is an arithmetic number, because the mean of its divisors is an integer number (1646844).

Almost surely, 2^22280006 is an apocalyptic number.

22280006 is a deficient number, since it is larger than the sum of its proper divisors (17244250).

22280006 is a wasteful number, since it uses less digits than its factorization.

22280006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804 (or 3797 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 22280006 is about 4720.1701240527. The cubic root of 22280006 is about 281.3876944859.

Adding to 22280006 its reverse (60008222), we get a palindrome (82288228).

The spelling of 22280006 in words is "twenty-two million, two hundred eighty thousand, six".