22240006 has 8 divisors (see below), whose sum is σ = 33412464. Its totient is φ = 11102520.

The previous prime is 22240003. The next prime is 22240021. The reversal of 22240006 is 60004222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7090 + ... + 9733.

It is an arithmetic number, because the mean of its divisors is an integer number (4176558).

Almost surely, 2^22240006 is an apocalyptic number.

22240006 is a deficient number, since it is larger than the sum of its proper divisors (11172458).

22240006 is a wasteful number, since it uses less digits than its factorization.

22240006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17486.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22240006 is about 4715.9310851623. The cubic root of 22240006 is about 281.2191988656.

Adding to 22240006 its reverse (60004222), we get a palindrome (82244228).

The spelling of 22240006 in words is "twenty-two million, two hundred forty thousand, six".