22909006 has 16 divisors (see below), whose sum is σ = 35074224. Its totient is φ = 11219904.

The previous prime is 22909001. The next prime is 22909009. The reversal of 22909006 is 60090922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22909001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24805 + ... + 25711.

It is an arithmetic number, because the mean of its divisors is an integer number (2192139).

Almost surely, 2^22909006 is an apocalyptic number.

22909006 is a deficient number, since it is larger than the sum of its proper divisors (12165218).

22909006 is a wasteful number, since it uses less digits than its factorization.

22909006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 22909006 is about 4786.3353413650. The cubic root of 22909006 is about 284.0111663268.

Adding to 22909006 its reverse (60090922), we get a palindrome (82999928).

The spelling of 22909006 in words is "twenty-two million, nine hundred nine thousand, six".