22687006 has 4 divisors (see below), whose sum is σ = 34030512. Its totient is φ = 11343502.

The previous prime is 22687003. The next prime is 22687033. The reversal of 22687006 is 60078622.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22687001) by changing a digit.

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 as a sum of consecutive naturals, namely, 5671750 + ... + 5671753.

It is an arithmetic number, because the mean of its divisors is an integer number (8507628).

Almost surely, 2^22687006 is an apocalyptic number.

22687006 is a deficient number, since it is larger than the sum of its proper divisors (11343506).

22687006 is a wasteful number, since it uses less digits than its factorization.

22687006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11343505.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 22687006 is about 4763.0878639807. The cubic root of 22687006 is about 283.0907823474.

The spelling of 22687006 in words is "twenty-two million, six hundred eighty-seven thousand, six".